9491980

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{127}}^1$

素因数の和:274

約数の個数: 48

約数和(自身を含む): 20837376

約数和(自身を除く): 11345396

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 101, 127, 148, 185, 202, 254, 370, 404, 505, 508, 635, 740, 1010, 1270, 2020, 2540, 3737, 4699, 7474, 9398, 12827, 14948, 18685, 18796, 23495, 25654, 37370, 46990, 51308, 64135, 74740, 93980, 128270, 256540, 474599, 949198, 1898396, 2372995, 4745990, 9491980]

約数ペア:

[(1, 9491980), (2, 4745990), (4, 2372995), (5, 1898396), (10, 949198), (20, 474599), (37, 256540), (74, 128270), (101, 93980), (127, 74740), (148, 64135), (185, 51308), (202, 46990), (254, 37370), (370, 25654), (404, 23495), (505, 18796), (508, 18685), (635, 14948), (740, 12827), (1010, 9398), (1270, 7474), (2020, 4699), (2540, 3737)]