989002500

素因数分解:

$2^2\times 3^1\times 5^4\times {\mathrm{163}}^1\times {\mathrm{809}}^1$

素因数の和:999

約数の個数: 120

約数和(自身を含む): 2904945120

約数和(自身を除く): 1915942620

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 125, 150, 163, 250, 300, 326, 375, 489, 500, 625, 652, 750, 809, 815, 978, 1250, 1500, 1618, 1630, 1875, 1956, 2427, 2445, 2500, 3236, 3260, 3750, 4045, 4075, 4854, 4890, 7500, 8090, 8150, 9708, 9780, 12135, 12225, 16180, 16300, 20225, 20375, 24270, 24450, 40450, 40750, 48540, 48900, 60675, 61125, 80900, 81500, 101125, 101875, 121350, 122250, 131867, 202250, 203750, 242700, 244500, 263734, 303375, 305625, 395601, 404500, 407500, 505625, 527468, 606750, 611250, 659335, 791202, 1011250, 1213500, 1222500, 1318670, 1516875, 1582404, 1978005, 2022500, 2637340, 3033750, 3296675, 3956010, 6067500, 6593350, 7912020, 9890025, 13186700, 16483375, 19780050, 32966750, 39560100, 49450125, 65933500, 82416875, 98900250, 164833750, 197800500, 247250625, 329667500, 494501250, 989002500]

約数ペア:

[(1, 989002500), (2, 494501250), (3, 329667500), (4, 247250625), (5, 197800500), (6, 164833750), (10, 98900250), (12, 82416875), (15, 65933500), (20, 49450125), (25, 39560100), (30, 32966750), (50, 19780050), (60, 16483375), (75, 13186700), (100, 9890025), (125, 7912020), (150, 6593350), (163, 6067500), (250, 3956010), (300, 3296675), (326, 3033750), (375, 2637340), (489, 2022500), (500, 1978005), (625, 1582404), (652, 1516875), (750, 1318670), (809, 1222500), (815, 1213500), (978, 1011250), (1250, 791202), (1500, 659335), (1618, 611250), (1630, 606750), (1875, 527468), (1956, 505625), (2427, 407500), (2445, 404500), (2500, 395601), (3236, 305625), (3260, 303375), (3750, 263734), (4045, 244500), (4075, 242700), (4854, 203750), (4890, 202250), (7500, 131867), (8090, 122250), (8150, 121350), (9708, 101875), (9780, 101125), (12135, 81500), (12225, 80900), (16180, 61125), (16300, 60675), (20225, 48900), (20375, 48540), (24270, 40750), (24450, 40450)]