123286790

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{523}}^1\times {\mathrm{2143}}^1$

素因数の和:2684

約数の個数: 32

約数和(自身を含む): 242666496

約数和(自身を除く): 119379706

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 523, 1046, 2143, 2615, 4286, 5230, 5753, 10715, 11506, 21430, 23573, 28765, 47146, 57530, 117865, 235730, 1120789, 2241578, 5603945, 11207890, 12328679, 24657358, 61643395, 123286790]

約数ペア:

[(1, 123286790), (2, 61643395), (5, 24657358), (10, 12328679), (11, 11207890), (22, 5603945), (55, 2241578), (110, 1120789), (523, 235730), (1046, 117865), (2143, 57530), (2615, 47146), (4286, 28765), (5230, 23573), (5753, 21430), (10715, 11506)]