30975890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{14821}}^1$

素因数の和:14858

約数の個数: 32

約数和(自身を含む): 64031040

約数和(自身を除く): 33055150

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 190, 209, 418, 1045, 2090, 14821, 29642, 74105, 148210, 163031, 281599, 326062, 563198, 815155, 1407995, 1630310, 2815990, 3097589, 6195178, 15487945, 30975890]

約数ペア:

[(1, 30975890), (2, 15487945), (5, 6195178), (10, 3097589), (11, 2815990), (19, 1630310), (22, 1407995), (38, 815155), (55, 563198), (95, 326062), (110, 281599), (190, 163031), (209, 148210), (418, 74105), (1045, 29642), (2090, 14821)]