61951780

素因数分解:

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

素因数の和:14860

約数の個数: 48

約数和(自身を含む): 149405760

約数和(自身を除く): 87453980

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 836, 1045, 2090, 4180, 14821, 29642, 59284, 74105, 148210, 163031, 281599, 296420, 326062, 563198, 652124, 815155, 1126396, 1407995, 1630310, 2815990, 3097589, 3260620, 5631980, 6195178, 12390356, 15487945, 30975890, 61951780]

約数ペア:

[(1, 61951780), (2, 30975890), (4, 15487945), (5, 12390356), (10, 6195178), (11, 5631980), (19, 3260620), (20, 3097589), (22, 2815990), (38, 1630310), (44, 1407995), (55, 1126396), (76, 815155), (95, 652124), (110, 563198), (190, 326062), (209, 296420), (220, 281599), (380, 163031), (418, 148210), (836, 74105), (1045, 59284), (2090, 29642), (4180, 14821)]