68874620

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{859}}^1$

素因数の和:1098

約数の個数: 48

約数和(自身を含む): 153148800

約数和(自身を除く): 84274180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 211, 380, 422, 844, 859, 1055, 1718, 2110, 3436, 4009, 4220, 4295, 8018, 8590, 16036, 16321, 17180, 20045, 32642, 40090, 65284, 80180, 81605, 163210, 181249, 326420, 362498, 724996, 906245, 1812490, 3443731, 3624980, 6887462, 13774924, 17218655, 34437310, 68874620]

約数ペア:

[(1, 68874620), (2, 34437310), (4, 17218655), (5, 13774924), (10, 6887462), (19, 3624980), (20, 3443731), (38, 1812490), (76, 906245), (95, 724996), (190, 362498), (211, 326420), (380, 181249), (422, 163210), (844, 81605), (859, 80180), (1055, 65284), (1718, 40090), (2110, 32642), (3436, 20045), (4009, 17180), (4220, 16321), (4295, 16036), (8018, 8590)]