105155260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^2\times {\mathrm{149}}^1$

素因数の和:307

約数の個数: 72

約数和(自身を含む): 257695200

約数和(自身を除く): 152539940

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 149, 284, 298, 355, 497, 596, 710, 745, 994, 1043, 1420, 1490, 1988, 2086, 2485, 2980, 4172, 4970, 5041, 5215, 9940, 10082, 10430, 10579, 20164, 20860, 21158, 25205, 35287, 42316, 50410, 52895, 70574, 74053, 100820, 105790, 141148, 148106, 176435, 211580, 296212, 352870, 370265, 705740, 740530, 751109, 1481060, 1502218, 3004436, 3755545, 5257763, 7511090, 10515526, 15022180, 21031052, 26288815, 52577630, 105155260]

約数ペア:

[(1, 105155260), (2, 52577630), (4, 26288815), (5, 21031052), (7, 15022180), (10, 10515526), (14, 7511090), (20, 5257763), (28, 3755545), (35, 3004436), (70, 1502218), (71, 1481060), (140, 751109), (142, 740530), (149, 705740), (284, 370265), (298, 352870), (355, 296212), (497, 211580), (596, 176435), (710, 148106), (745, 141148), (994, 105790), (1043, 100820), (1420, 74053), (1490, 70574), (1988, 52895), (2086, 50410), (2485, 42316), (2980, 35287), (4172, 25205), (4970, 21158), (5041, 20860), (5215, 20164), (9940, 10579), (10082, 10430)]