978499620

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{5839}}^1$

素因数の和:5887

約数の個数: 216

約数和(自身を含む): 3635049600

約数和(自身を除く): 2656549980

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, 49, 57, 60, 63, 70, 76, 84, 90, 95, 98, 105, 114, 126, 133, 140, 147, 171, 180, 190, 196, 210, 228, 245, 252, 266, 285, 294, 315, 342, 380, 399, 420, 441, 490, 532, 570, 588, 630, 665, 684, 735, 798, 855, 882, 931, 980, 1140, 1197, 1260, 1330, 1470, 1596, 1710, 1764, 1862, 1995, 2205, 2394, 2660, 2793, 2940, 3420, 3724, 3990, 4410, 4655, 4788, 5586, 5839, 5985, 7980, 8379, 8820, 9310, 11172, 11678, 11970, 13965, 16758, 17517, 18620, 23356, 23940, 27930, 29195, 33516, 35034, 40873, 41895, 52551, 55860, 58390, 70068, 81746, 83790, 87585, 105102, 110941, 116780, 122619, 163492, 167580, 175170, 204365, 210204, 221882, 245238, 262755, 286111, 332823, 350340, 367857, 408730, 443764, 490476, 525510, 554705, 572222, 613095, 665646, 735714, 776587, 817460, 858333, 998469, 1051020, 1109410, 1144444, 1226190, 1331292, 1430555, 1471428, 1553174, 1664115, 1716666, 1839285, 1996938, 2218820, 2329761, 2452380, 2574999, 2861110, 3106348, 3328230, 3433332, 3678570, 3882935, 3993876, 4291665, 4659522, 4992345, 5149998, 5436109, 5722220, 6656460, 6989283, 7357140, 7765870, 8583330, 9319044, 9984690, 10299996, 10872218, 11648805, 12874995, 13978566, 15531740, 16308327, 17166660, 19969380, 21744436, 23297610, 25749990, 27180545, 27957132, 32616654, 34946415, 46595220, 48924981, 51499980, 54361090, 65233308, 69892830, 81541635, 97849962, 108722180, 139785660, 163083270, 195699924, 244624905, 326166540, 489249810, 978499620]

約数ペア:

[(1, 978499620), (2, 489249810), (3, 326166540), (4, 244624905), (5, 195699924), (6, 163083270), (7, 139785660), (9, 108722180), (10, 97849962), (12, 81541635), (14, 69892830), (15, 65233308), (18, 54361090), (19, 51499980), (20, 48924981), (21, 46595220), (28, 34946415), (30, 32616654), (35, 27957132), (36, 27180545), (38, 25749990), (42, 23297610), (45, 21744436), (49, 19969380), (57, 17166660), (60, 16308327), (63, 15531740), (70, 13978566), (76, 12874995), (84, 11648805), (90, 10872218), (95, 10299996), (98, 9984690), (105, 9319044), (114, 8583330), (126, 7765870), (133, 7357140), (140, 6989283), (147, 6656460), (171, 5722220), (180, 5436109), (190, 5149998), (196, 4992345), (210, 4659522), (228, 4291665), (245, 3993876), (252, 3882935), (266, 3678570), (285, 3433332), (294, 3328230), (315, 3106348), (342, 2861110), (380, 2574999), (399, 2452380), (420, 2329761), (441, 2218820), (490, 1996938), (532, 1839285), (570, 1716666), (588, 1664115), (630, 1553174), (665, 1471428), (684, 1430555), (735, 1331292), (798, 1226190), (855, 1144444), (882, 1109410), (931, 1051020), (980, 998469), (1140, 858333), (1197, 817460), (1260, 776587), (1330, 735714), (1470, 665646), (1596, 613095), (1710, 572222), (1764, 554705), (1862, 525510), (1995, 490476), (2205, 443764), (2394, 408730), (2660, 367857), (2793, 350340), (2940, 332823), (3420, 286111), (3724, 262755), (3990, 245238), (4410, 221882), (4655, 210204), (4788, 204365), (5586, 175170), (5839, 167580), (5985, 163492), (7980, 122619), (8379, 116780), (8820, 110941), (9310, 105102), (11172, 87585), (11678, 83790), (11970, 81746), (13965, 70068), (16758, 58390), (17517, 55860), (18620, 52551), (23356, 41895), (23940, 40873), (27930, 35034), (29195, 33516)]