204152360

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{2699}}^1$

素因数の和:2802

約数の個数: 64

約数和(自身を含む): 482112000

約数和(自身を除く): 277959640

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 61, 62, 122, 124, 155, 244, 248, 305, 310, 488, 610, 620, 1220, 1240, 1891, 2440, 2699, 3782, 5398, 7564, 9455, 10796, 13495, 15128, 18910, 21592, 26990, 37820, 53980, 75640, 83669, 107960, 164639, 167338, 329278, 334676, 418345, 658556, 669352, 823195, 836690, 1317112, 1646390, 1673380, 3292780, 3346760, 5103809, 6585560, 10207618, 20415236, 25519045, 40830472, 51038090, 102076180, 204152360]

約数ペア:

[(1, 204152360), (2, 102076180), (4, 51038090), (5, 40830472), (8, 25519045), (10, 20415236), (20, 10207618), (31, 6585560), (40, 5103809), (61, 3346760), (62, 3292780), (122, 1673380), (124, 1646390), (155, 1317112), (244, 836690), (248, 823195), (305, 669352), (310, 658556), (488, 418345), (610, 334676), (620, 329278), (1220, 167338), (1240, 164639), (1891, 107960), (2440, 83669), (2699, 75640), (3782, 53980), (5398, 37820), (7564, 26990), (9455, 21592), (10796, 18910), (13495, 15128)]