1878500

素因数分解:

$2^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{17}}^2$

素因数の和:66

約数の個数: 72

約数和(自身を含む): 4693416

約数和(自身を除く): 2814916

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 25, 26, 34, 50, 52, 65, 68, 85, 100, 125, 130, 170, 221, 250, 260, 289, 325, 340, 425, 442, 500, 578, 650, 850, 884, 1105, 1156, 1300, 1445, 1625, 1700, 2125, 2210, 2890, 3250, 3757, 4250, 4420, 5525, 5780, 6500, 7225, 7514, 8500, 11050, 14450, 15028, 18785, 22100, 27625, 28900, 36125, 37570, 55250, 72250, 75140, 93925, 110500, 144500, 187850, 375700, 469625, 939250, 1878500]

約数ペア:

[(1, 1878500), (2, 939250), (4, 469625), (5, 375700), (10, 187850), (13, 144500), (17, 110500), (20, 93925), (25, 75140), (26, 72250), (34, 55250), (50, 37570), (52, 36125), (65, 28900), (68, 27625), (85, 22100), (100, 18785), (125, 15028), (130, 14450), (170, 11050), (221, 8500), (250, 7514), (260, 7225), (289, 6500), (325, 5780), (340, 5525), (425, 4420), (442, 4250), (500, 3757), (578, 3250), (650, 2890), (850, 2210), (884, 2125), (1105, 1700), (1156, 1625), (1300, 1445)]