399394380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{271}}^1$

素因数の和:341

約数の個数: 288

約数和(自身を含む): 1458616320

約数和(自身を除く): 1059221940

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 20, 21, 22, 28, 29, 30, 33, 35, 42, 44, 55, 58, 60, 66, 70, 77, 84, 87, 105, 110, 116, 121, 132, 140, 145, 154, 165, 174, 203, 210, 220, 231, 242, 271, 290, 308, 319, 330, 348, 363, 385, 406, 420, 435, 462, 484, 542, 580, 605, 609, 638, 660, 726, 770, 812, 813, 847, 870, 924, 957, 1015, 1084, 1155, 1210, 1218, 1276, 1355, 1452, 1540, 1595, 1626, 1694, 1740, 1815, 1897, 1914, 2030, 2233, 2310, 2420, 2436, 2541, 2710, 2981, 3045, 3190, 3252, 3388, 3509, 3630, 3794, 3828, 4060, 4065, 4235, 4466, 4620, 4785, 5082, 5420, 5691, 5962, 6090, 6380, 6699, 7018, 7260, 7588, 7859, 8130, 8470, 8932, 8943, 9485, 9570, 10164, 10527, 11165, 11382, 11924, 12180, 12705, 13398, 14036, 14905, 15718, 16260, 16940, 17545, 17886, 18970, 19140, 20867, 21054, 22330, 22764, 23577, 24563, 25410, 26796, 28455, 29810, 31436, 32791, 33495, 35090, 35772, 37940, 39295, 41734, 42108, 44660, 44715, 47154, 49126, 50820, 52635, 55013, 56910, 59620, 62601, 65582, 66990, 70180, 73689, 78590, 83468, 86449, 89430, 94308, 98252, 98373, 104335, 105270, 110026, 113820, 117885, 122815, 125202, 131164, 133980, 147378, 157180, 163955, 165039, 172898, 178860, 196746, 208670, 210540, 220052, 229537, 235770, 245630, 250404, 259347, 275065, 294756, 313005, 327910, 330078, 345796, 368445, 393492, 417340, 432245, 459074, 471540, 491260, 491865, 518694, 550130, 605143, 626010, 655820, 660156, 688611, 736890, 825195, 864490, 918148, 950939, 983730, 1037388, 1100260, 1147685, 1210286, 1252020, 1296735, 1377222, 1473780, 1650390, 1728980, 1815429, 1901878, 1967460, 2295370, 2420572, 2593470, 2754444, 2852817, 3025715, 3300780, 3443055, 3630858, 3803756, 4590740, 4754695, 5186940, 5705634, 6051430, 6656573, 6886110, 7261716, 9077145, 9509390, 11411268, 12102860, 13313146, 13772220, 14264085, 18154290, 19018780, 19969719, 26626292, 28528170, 33282865, 36308580, 39939438, 57056340, 66565730, 79878876, 99848595, 133131460, 199697190, 399394380]

約数ペア:

[(1, 399394380), (2, 199697190), (3, 133131460), (4, 99848595), (5, 79878876), (6, 66565730), (7, 57056340), (10, 39939438), (11, 36308580), (12, 33282865), (14, 28528170), (15, 26626292), (20, 19969719), (21, 19018780), (22, 18154290), (28, 14264085), (29, 13772220), (30, 13313146), (33, 12102860), (35, 11411268), (42, 9509390), (44, 9077145), (55, 7261716), (58, 6886110), (60, 6656573), (66, 6051430), (70, 5705634), (77, 5186940), (84, 4754695), (87, 4590740), (105, 3803756), (110, 3630858), (116, 3443055), (121, 3300780), (132, 3025715), (140, 2852817), (145, 2754444), (154, 2593470), (165, 2420572), (174, 2295370), (203, 1967460), (210, 1901878), (220, 1815429), (231, 1728980), (242, 1650390), (271, 1473780), (290, 1377222), (308, 1296735), (319, 1252020), (330, 1210286), (348, 1147685), (363, 1100260), (385, 1037388), (406, 983730), (420, 950939), (435, 918148), (462, 864490), (484, 825195), (542, 736890), (580, 688611), (605, 660156), (609, 655820), (638, 626010), (660, 605143), (726, 550130), (770, 518694), (812, 491865), (813, 491260), (847, 471540), (870, 459074), (924, 432245), (957, 417340), (1015, 393492), (1084, 368445), (1155, 345796), (1210, 330078), (1218, 327910), (1276, 313005), (1355, 294756), (1452, 275065), (1540, 259347), (1595, 250404), (1626, 245630), (1694, 235770), (1740, 229537), (1815, 220052), (1897, 210540), (1914, 208670), (2030, 196746), (2233, 178860), (2310, 172898), (2420, 165039), (2436, 163955), (2541, 157180), (2710, 147378), (2981, 133980), (3045, 131164), (3190, 125202), (3252, 122815), (3388, 117885), (3509, 113820), (3630, 110026), (3794, 105270), (3828, 104335), (4060, 98373), (4065, 98252), (4235, 94308), (4466, 89430), (4620, 86449), (4785, 83468), (5082, 78590), (5420, 73689), (5691, 70180), (5962, 66990), (6090, 65582), (6380, 62601), (6699, 59620), (7018, 56910), (7260, 55013), (7588, 52635), (7859, 50820), (8130, 49126), (8470, 47154), (8932, 44715), (8943, 44660), (9485, 42108), (9570, 41734), (10164, 39295), (10527, 37940), (11165, 35772), (11382, 35090), (11924, 33495), (12180, 32791), (12705, 31436), (13398, 29810), (14036, 28455), (14905, 26796), (15718, 25410), (16260, 24563), (16940, 23577), (17545, 22764), (17886, 22330), (18970, 21054), (19140, 20867)]