538548920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{599}}^1$

素因数の和:662

約数の個数: 192

約数和(自身を含む): 1581120000

約数和(自身を除く): 1042571080

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 19, 20, 26, 28, 35, 38, 40, 52, 56, 65, 70, 76, 91, 95, 104, 130, 133, 140, 152, 169, 182, 190, 247, 260, 266, 280, 338, 364, 380, 455, 494, 520, 532, 599, 665, 676, 728, 760, 845, 910, 988, 1064, 1183, 1198, 1235, 1330, 1352, 1690, 1729, 1820, 1976, 2366, 2396, 2470, 2660, 2995, 3211, 3380, 3458, 3640, 4193, 4732, 4792, 4940, 5320, 5915, 5990, 6422, 6760, 6916, 7787, 8386, 8645, 9464, 9880, 11381, 11830, 11980, 12844, 13832, 15574, 16055, 16772, 17290, 20965, 22477, 22762, 23660, 23960, 25688, 31148, 32110, 33544, 34580, 38935, 41930, 44954, 45524, 47320, 54509, 56905, 62296, 64220, 69160, 77870, 79667, 83860, 89908, 91048, 101231, 109018, 112385, 113810, 128440, 147953, 155740, 159334, 167720, 179816, 202462, 218036, 224770, 227620, 272545, 295906, 311480, 318668, 398335, 404924, 436072, 449540, 455240, 506155, 545090, 591812, 637336, 708617, 739765, 796670, 809848, 899080, 1012310, 1035671, 1090180, 1183624, 1417234, 1479530, 1593340, 1923389, 2024620, 2071342, 2180360, 2834468, 2959060, 3186680, 3543085, 3846778, 4049240, 4142684, 5178355, 5668936, 5918120, 7086170, 7693556, 8285368, 9616945, 10356710, 13463723, 14172340, 15387112, 19233890, 20713420, 26927446, 28344680, 38467780, 41426840, 53854892, 67318615, 76935560, 107709784, 134637230, 269274460, 538548920]

約数ペア:

[(1, 538548920), (2, 269274460), (4, 134637230), (5, 107709784), (7, 76935560), (8, 67318615), (10, 53854892), (13, 41426840), (14, 38467780), (19, 28344680), (20, 26927446), (26, 20713420), (28, 19233890), (35, 15387112), (38, 14172340), (40, 13463723), (52, 10356710), (56, 9616945), (65, 8285368), (70, 7693556), (76, 7086170), (91, 5918120), (95, 5668936), (104, 5178355), (130, 4142684), (133, 4049240), (140, 3846778), (152, 3543085), (169, 3186680), (182, 2959060), (190, 2834468), (247, 2180360), (260, 2071342), (266, 2024620), (280, 1923389), (338, 1593340), (364, 1479530), (380, 1417234), (455, 1183624), (494, 1090180), (520, 1035671), (532, 1012310), (599, 899080), (665, 809848), (676, 796670), (728, 739765), (760, 708617), (845, 637336), (910, 591812), (988, 545090), (1064, 506155), (1183, 455240), (1198, 449540), (1235, 436072), (1330, 404924), (1352, 398335), (1690, 318668), (1729, 311480), (1820, 295906), (1976, 272545), (2366, 227620), (2396, 224770), (2470, 218036), (2660, 202462), (2995, 179816), (3211, 167720), (3380, 159334), (3458, 155740), (3640, 147953), (4193, 128440), (4732, 113810), (4792, 112385), (4940, 109018), (5320, 101231), (5915, 91048), (5990, 89908), (6422, 83860), (6760, 79667), (6916, 77870), (7787, 69160), (8386, 64220), (8645, 62296), (9464, 56905), (9880, 54509), (11381, 47320), (11830, 45524), (11980, 44954), (12844, 41930), (13832, 38935), (15574, 34580), (16055, 33544), (16772, 32110), (17290, 31148), (20965, 25688), (22477, 23960), (22762, 23660)]