165887480

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{19843}}^1$

素因数の和:19884

約数の個数: 64

約数和(自身を含む): 428630400

約数和(自身を除く): 262742920

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 38, 40, 44, 55, 76, 88, 95, 110, 152, 190, 209, 220, 380, 418, 440, 760, 836, 1045, 1672, 2090, 4180, 8360, 19843, 39686, 79372, 99215, 158744, 198430, 218273, 377017, 396860, 436546, 754034, 793720, 873092, 1091365, 1508068, 1746184, 1885085, 2182730, 3016136, 3770170, 4147187, 4365460, 7540340, 8294374, 8730920, 15080680, 16588748, 20735935, 33177496, 41471870, 82943740, 165887480]

約数ペア:

[(1, 165887480), (2, 82943740), (4, 41471870), (5, 33177496), (8, 20735935), (10, 16588748), (11, 15080680), (19, 8730920), (20, 8294374), (22, 7540340), (38, 4365460), (40, 4147187), (44, 3770170), (55, 3016136), (76, 2182730), (88, 1885085), (95, 1746184), (110, 1508068), (152, 1091365), (190, 873092), (209, 793720), (220, 754034), (380, 436546), (418, 396860), (440, 377017), (760, 218273), (836, 198430), (1045, 158744), (1672, 99215), (2090, 79372), (4180, 39686), (8360, 19843)]