245249970

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{14783}}^1$

素因数の和:14879

約数の個数: 64

約数和(自身を含む): 681246720

約数和(自身を除く): 435996750

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 79, 105, 158, 210, 237, 395, 474, 553, 790, 1106, 1185, 1659, 2370, 2765, 3318, 5530, 8295, 14783, 16590, 29566, 44349, 73915, 88698, 103481, 147830, 206962, 221745, 310443, 443490, 517405, 620886, 1034810, 1167857, 1552215, 2335714, 3104430, 3503571, 5839285, 7007142, 8174999, 11678570, 16349998, 17517855, 24524997, 35035710, 40874995, 49049994, 81749990, 122624985, 245249970]

約数ペア:

[(1, 245249970), (2, 122624985), (3, 81749990), (5, 49049994), (6, 40874995), (7, 35035710), (10, 24524997), (14, 17517855), (15, 16349998), (21, 11678570), (30, 8174999), (35, 7007142), (42, 5839285), (70, 3503571), (79, 3104430), (105, 2335714), (158, 1552215), (210, 1167857), (237, 1034810), (395, 620886), (474, 517405), (553, 443490), (790, 310443), (1106, 221745), (1185, 206962), (1659, 147830), (2370, 103481), (2765, 88698), (3318, 73915), (5530, 44349), (8295, 29566), (14783, 16590)]