220239880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{5279}}^1$

素因数の和:5446

約数の個数: 64

約数和(自身を含む): 570240000

約数和(自身を除く): 350000120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 149, 280, 298, 596, 745, 1043, 1192, 1490, 2086, 2980, 4172, 5215, 5279, 5960, 8344, 10430, 10558, 20860, 21116, 26395, 36953, 41720, 42232, 52790, 73906, 105580, 147812, 184765, 211160, 295624, 369530, 739060, 786571, 1478120, 1573142, 3146284, 3932855, 5505997, 6292568, 7865710, 11011994, 15731420, 22023988, 27529985, 31462840, 44047976, 55059970, 110119940, 220239880]

約数ペア:

[(1, 220239880), (2, 110119940), (4, 55059970), (5, 44047976), (7, 31462840), (8, 27529985), (10, 22023988), (14, 15731420), (20, 11011994), (28, 7865710), (35, 6292568), (40, 5505997), (56, 3932855), (70, 3146284), (140, 1573142), (149, 1478120), (280, 786571), (298, 739060), (596, 369530), (745, 295624), (1043, 211160), (1192, 184765), (1490, 147812), (2086, 105580), (2980, 73906), (4172, 52790), (5215, 42232), (5279, 41720), (5960, 36953), (8344, 26395), (10430, 21116), (10558, 20860)]