398289780

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{131}}^1$

素因数の和:299

約数の個数: 288

約数和(自身を含む): 1476034560

約数和(自身を除く): 1077744780

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 28, 30, 35, 36, 38, 42, 45, 57, 60, 63, 70, 76, 84, 90, 95, 105, 114, 126, 127, 131, 133, 140, 171, 180, 190, 210, 228, 252, 254, 262, 266, 285, 315, 342, 380, 381, 393, 399, 420, 508, 524, 532, 570, 630, 635, 655, 665, 684, 762, 786, 798, 855, 889, 917, 1140, 1143, 1179, 1197, 1260, 1270, 1310, 1330, 1524, 1572, 1596, 1710, 1778, 1834, 1905, 1965, 1995, 2286, 2358, 2394, 2413, 2489, 2540, 2620, 2660, 2667, 2751, 3420, 3556, 3668, 3810, 3930, 3990, 4445, 4572, 4585, 4716, 4788, 4826, 4978, 5334, 5502, 5715, 5895, 5985, 7239, 7467, 7620, 7860, 7980, 8001, 8253, 8890, 9170, 9652, 9956, 10668, 11004, 11430, 11790, 11970, 12065, 12445, 13335, 13755, 14478, 14934, 16002, 16506, 16637, 16891, 17423, 17780, 18340, 21717, 22401, 22860, 23580, 23940, 24130, 24890, 26670, 27510, 28956, 29868, 32004, 33012, 33274, 33782, 34846, 36195, 37335, 40005, 41265, 43434, 44802, 48260, 49780, 49911, 50673, 52269, 53340, 55020, 66548, 67564, 69692, 72390, 74670, 80010, 82530, 83185, 84455, 86868, 87115, 89604, 99822, 101346, 104538, 108585, 112005, 116459, 144780, 149340, 149733, 152019, 156807, 160020, 165060, 166370, 168910, 174230, 199644, 202692, 209076, 217170, 224010, 232918, 249555, 253365, 261345, 299466, 304038, 313614, 316103, 332740, 337820, 348460, 349377, 434340, 448020, 465836, 499110, 506730, 522690, 582295, 598932, 608076, 627228, 632206, 698754, 748665, 760095, 784035, 948309, 998220, 1013460, 1045380, 1048131, 1164590, 1264412, 1397508, 1497330, 1520190, 1568070, 1580515, 1746885, 1896618, 2096262, 2212721, 2329180, 2844927, 2994660, 3040380, 3136140, 3161030, 3493770, 3793236, 4192524, 4425442, 4741545, 5240655, 5689854, 6322060, 6638163, 6987540, 8850884, 9483090, 10481310, 11063605, 11379708, 13276326, 14224635, 18966180, 19914489, 20962620, 22127210, 26552652, 28449270, 33190815, 39828978, 44254420, 56898540, 66381630, 79657956, 99572445, 132763260, 199144890, 398289780]

約数ペア:

[(1, 398289780), (2, 199144890), (3, 132763260), (4, 99572445), (5, 79657956), (6, 66381630), (7, 56898540), (9, 44254420), (10, 39828978), (12, 33190815), (14, 28449270), (15, 26552652), (18, 22127210), (19, 20962620), (20, 19914489), (21, 18966180), (28, 14224635), (30, 13276326), (35, 11379708), (36, 11063605), (38, 10481310), (42, 9483090), (45, 8850884), (57, 6987540), (60, 6638163), (63, 6322060), (70, 5689854), (76, 5240655), (84, 4741545), (90, 4425442), (95, 4192524), (105, 3793236), (114, 3493770), (126, 3161030), (127, 3136140), (131, 3040380), (133, 2994660), (140, 2844927), (171, 2329180), (180, 2212721), (190, 2096262), (210, 1896618), (228, 1746885), (252, 1580515), (254, 1568070), (262, 1520190), (266, 1497330), (285, 1397508), (315, 1264412), (342, 1164590), (380, 1048131), (381, 1045380), (393, 1013460), (399, 998220), (420, 948309), (508, 784035), (524, 760095), (532, 748665), (570, 698754), (630, 632206), (635, 627228), (655, 608076), (665, 598932), (684, 582295), (762, 522690), (786, 506730), (798, 499110), (855, 465836), (889, 448020), (917, 434340), (1140, 349377), (1143, 348460), (1179, 337820), (1197, 332740), (1260, 316103), (1270, 313614), (1310, 304038), (1330, 299466), (1524, 261345), (1572, 253365), (1596, 249555), (1710, 232918), (1778, 224010), (1834, 217170), (1905, 209076), (1965, 202692), (1995, 199644), (2286, 174230), (2358, 168910), (2394, 166370), (2413, 165060), (2489, 160020), (2540, 156807), (2620, 152019), (2660, 149733), (2667, 149340), (2751, 144780), (3420, 116459), (3556, 112005), (3668, 108585), (3810, 104538), (3930, 101346), (3990, 99822), (4445, 89604), (4572, 87115), (4585, 86868), (4716, 84455), (4788, 83185), (4826, 82530), (4978, 80010), (5334, 74670), (5502, 72390), (5715, 69692), (5895, 67564), (5985, 66548), (7239, 55020), (7467, 53340), (7620, 52269), (7860, 50673), (7980, 49911), (8001, 49780), (8253, 48260), (8890, 44802), (9170, 43434), (9652, 41265), (9956, 40005), (10668, 37335), (11004, 36195), (11430, 34846), (11790, 33782), (11970, 33274), (12065, 33012), (12445, 32004), (13335, 29868), (13755, 28956), (14478, 27510), (14934, 26670), (16002, 24890), (16506, 24130), (16637, 23940), (16891, 23580), (17423, 22860), (17780, 22401), (18340, 21717)]