189728500

素因数分解:

$2^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{101}}^1$

素因数の和:167

約数の個数: 144

約数和(自身を含む): 478728432

約数和(自身を除く): 288999932

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 25, 26, 34, 50, 52, 65, 68, 85, 100, 101, 125, 130, 170, 202, 221, 250, 260, 289, 325, 340, 404, 425, 442, 500, 505, 578, 650, 850, 884, 1010, 1105, 1156, 1300, 1313, 1445, 1625, 1700, 1717, 2020, 2125, 2210, 2525, 2626, 2890, 3250, 3434, 3757, 4250, 4420, 5050, 5252, 5525, 5780, 6500, 6565, 6868, 7225, 7514, 8500, 8585, 10100, 11050, 12625, 13130, 14450, 15028, 17170, 18785, 22100, 22321, 25250, 26260, 27625, 28900, 29189, 32825, 34340, 36125, 37570, 42925, 44642, 50500, 55250, 58378, 65650, 72250, 75140, 85850, 89284, 93925, 110500, 111605, 116756, 131300, 144500, 145945, 164125, 171700, 187850, 214625, 223210, 291890, 328250, 375700, 379457, 429250, 446420, 469625, 558025, 583780, 656500, 729725, 758914, 858500, 939250, 1116050, 1459450, 1517828, 1878500, 1897285, 2232100, 2790125, 2918900, 3648625, 3794570, 5580250, 7297250, 7589140, 9486425, 11160500, 14594500, 18972850, 37945700, 47432125, 94864250, 189728500]

約数ペア:

[(1, 189728500), (2, 94864250), (4, 47432125), (5, 37945700), (10, 18972850), (13, 14594500), (17, 11160500), (20, 9486425), (25, 7589140), (26, 7297250), (34, 5580250), (50, 3794570), (52, 3648625), (65, 2918900), (68, 2790125), (85, 2232100), (100, 1897285), (101, 1878500), (125, 1517828), (130, 1459450), (170, 1116050), (202, 939250), (221, 858500), (250, 758914), (260, 729725), (289, 656500), (325, 583780), (340, 558025), (404, 469625), (425, 446420), (442, 429250), (500, 379457), (505, 375700), (578, 328250), (650, 291890), (850, 223210), (884, 214625), (1010, 187850), (1105, 171700), (1156, 164125), (1300, 145945), (1313, 144500), (1445, 131300), (1625, 116756), (1700, 111605), (1717, 110500), (2020, 93925), (2125, 89284), (2210, 85850), (2525, 75140), (2626, 72250), (2890, 65650), (3250, 58378), (3434, 55250), (3757, 50500), (4250, 44642), (4420, 42925), (5050, 37570), (5252, 36125), (5525, 34340), (5780, 32825), (6500, 29189), (6565, 28900), (6868, 27625), (7225, 26260), (7514, 25250), (8500, 22321), (8585, 22100), (10100, 18785), (11050, 17170), (12625, 15028), (13130, 14450)]