67644820

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{223}}^1\times {\mathrm{523}}^1$

素因数の和:784

約数の個数: 48

約数和(自身を含む): 147893760

約数和(自身を除く): 80248940

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 223, 290, 446, 523, 580, 892, 1046, 1115, 2092, 2230, 2615, 4460, 5230, 6467, 10460, 12934, 15167, 25868, 30334, 32335, 60668, 64670, 75835, 116629, 129340, 151670, 233258, 303340, 466516, 583145, 1166290, 2332580, 3382241, 6764482, 13528964, 16911205, 33822410, 67644820]

約数ペア:

[(1, 67644820), (2, 33822410), (4, 16911205), (5, 13528964), (10, 6764482), (20, 3382241), (29, 2332580), (58, 1166290), (116, 583145), (145, 466516), (223, 303340), (290, 233258), (446, 151670), (523, 129340), (580, 116629), (892, 75835), (1046, 64670), (1115, 60668), (2092, 32335), (2230, 30334), (2615, 25868), (4460, 15167), (5230, 12934), (6467, 10460)]