127945580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{5821}}^1$

素因数の和:5994

約数の個数: 48

約数和(自身を含む): 309078336

約数和(自身を除く): 181132756

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 157, 314, 628, 785, 1099, 1570, 2198, 3140, 4396, 5495, 5821, 10990, 11642, 21980, 23284, 29105, 40747, 58210, 81494, 116420, 162988, 203735, 407470, 814940, 913897, 1827794, 3655588, 4569485, 6397279, 9138970, 12794558, 18277940, 25589116, 31986395, 63972790, 127945580]

約数ペア:

[(1, 127945580), (2, 63972790), (4, 31986395), (5, 25589116), (7, 18277940), (10, 12794558), (14, 9138970), (20, 6397279), (28, 4569485), (35, 3655588), (70, 1827794), (140, 913897), (157, 814940), (314, 407470), (628, 203735), (785, 162988), (1099, 116420), (1570, 81494), (2198, 58210), (3140, 40747), (4396, 29105), (5495, 23284), (5821, 21980), (10990, 11642)]