68399940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{1093}}^1$

素因数の和:1261

約数の個数: 96

約数和(自身を含む): 220550400

約数和(自身を除く): 152150460

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 149, 210, 298, 420, 447, 596, 745, 894, 1043, 1093, 1490, 1788, 2086, 2186, 2235, 2980, 3129, 3279, 4172, 4372, 4470, 5215, 5465, 6258, 6558, 7651, 8940, 10430, 10930, 12516, 13116, 15302, 15645, 16395, 20860, 21860, 22953, 30604, 31290, 32790, 38255, 45906, 62580, 65580, 76510, 91812, 114765, 153020, 162857, 229530, 325714, 459060, 488571, 651428, 814285, 977142, 1139999, 1628570, 1954284, 2279998, 2442855, 3257140, 3419997, 4559996, 4885710, 5699995, 6839994, 9771420, 11399990, 13679988, 17099985, 22799980, 34199970, 68399940]

約数ペア:

[(1, 68399940), (2, 34199970), (3, 22799980), (4, 17099985), (5, 13679988), (6, 11399990), (7, 9771420), (10, 6839994), (12, 5699995), (14, 4885710), (15, 4559996), (20, 3419997), (21, 3257140), (28, 2442855), (30, 2279998), (35, 1954284), (42, 1628570), (60, 1139999), (70, 977142), (84, 814285), (105, 651428), (140, 488571), (149, 459060), (210, 325714), (298, 229530), (420, 162857), (447, 153020), (596, 114765), (745, 91812), (894, 76510), (1043, 65580), (1093, 62580), (1490, 45906), (1788, 38255), (2086, 32790), (2186, 31290), (2235, 30604), (2980, 22953), (3129, 21860), (3279, 20860), (4172, 16395), (4372, 15645), (4470, 15302), (5215, 13116), (5465, 12516), (6258, 10930), (6558, 10430), (7651, 8940)]