123730990

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{229}}^1\times {\mathrm{761}}^1$

素因数の和:1068

約数の個数: 32

約数和(自身を含む): 227136960

約数和(自身を除く): 103405970

約数列:

[1, 2, 5, 10, 71, 142, 229, 355, 458, 710, 761, 1145, 1522, 2290, 3805, 7610, 16259, 32518, 54031, 81295, 108062, 162590, 174269, 270155, 348538, 540310, 871345, 1742690, 12373099, 24746198, 61865495, 123730990]

約数ペア:

[(1, 123730990), (2, 61865495), (5, 24746198), (10, 12373099), (71, 1742690), (142, 871345), (229, 540310), (355, 348538), (458, 270155), (710, 174269), (761, 162590), (1145, 108062), (1522, 81295), (2290, 54031), (3805, 32518), (7610, 16259)]