2017749500

素因数分解:

$2^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{310423}}^1$

素因数の和:310455

約数の個数: 48

約数和(自身を含む): 4745762112

約数和(自身を除く): 2728012612

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 125, 130, 250, 260, 325, 500, 650, 1300, 1625, 3250, 6500, 310423, 620846, 1241692, 1552115, 3104230, 4035499, 6208460, 7760575, 8070998, 15521150, 16141996, 20177495, 31042300, 38802875, 40354990, 77605750, 80709980, 100887475, 155211500, 201774950, 403549900, 504437375, 1008874750, 2017749500]

約数ペア:

[(1, 2017749500), (2, 1008874750), (4, 504437375), (5, 403549900), (10, 201774950), (13, 155211500), (20, 100887475), (25, 80709980), (26, 77605750), (50, 40354990), (52, 38802875), (65, 31042300), (100, 20177495), (125, 16141996), (130, 15521150), (250, 8070998), (260, 7760575), (325, 6208460), (500, 4035499), (650, 3104230), (1300, 1552115), (1625, 1241692), (3250, 620846), (6500, 310423)]