678652000

素因数分解:

$2^5\times 5^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{421}}^1$

素因数の和:490

約数の個数: 192

約数和(自身を含む): 1858042368

約数和(自身を除く): 1179390368

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 31, 32, 40, 50, 52, 62, 65, 80, 100, 104, 124, 125, 130, 155, 160, 200, 208, 248, 250, 260, 310, 325, 400, 403, 416, 421, 496, 500, 520, 620, 650, 775, 800, 806, 842, 992, 1000, 1040, 1240, 1300, 1550, 1612, 1625, 1684, 2000, 2015, 2080, 2105, 2480, 2600, 3100, 3224, 3250, 3368, 3875, 4000, 4030, 4210, 4960, 5200, 5473, 6200, 6448, 6500, 6736, 7750, 8060, 8420, 10075, 10400, 10525, 10946, 12400, 12896, 13000, 13051, 13472, 15500, 16120, 16840, 20150, 21050, 21892, 24800, 26000, 26102, 27365, 31000, 32240, 33680, 40300, 42100, 43784, 50375, 52000, 52204, 52625, 54730, 62000, 64480, 65255, 67360, 80600, 84200, 87568, 100750, 104408, 105250, 109460, 124000, 130510, 136825, 161200, 168400, 169663, 175136, 201500, 208816, 210500, 218920, 261020, 273650, 322400, 326275, 336800, 339326, 403000, 417632, 421000, 437840, 522040, 547300, 652550, 678652, 684125, 806000, 842000, 848315, 875680, 1044080, 1094600, 1305100, 1357304, 1368250, 1612000, 1631375, 1684000, 1696630, 2088160, 2189200, 2610200, 2714608, 2736500, 3262750, 3393260, 4241575, 4378400, 5220400, 5429216, 5473000, 6525500, 6786520, 8483150, 10440800, 10946000, 13051000, 13573040, 16966300, 21207875, 21892000, 26102000, 27146080, 33932600, 42415750, 52204000, 67865200, 84831500, 135730400, 169663000, 339326000, 678652000]

約数ペア:

[(1, 678652000), (2, 339326000), (4, 169663000), (5, 135730400), (8, 84831500), (10, 67865200), (13, 52204000), (16, 42415750), (20, 33932600), (25, 27146080), (26, 26102000), (31, 21892000), (32, 21207875), (40, 16966300), (50, 13573040), (52, 13051000), (62, 10946000), (65, 10440800), (80, 8483150), (100, 6786520), (104, 6525500), (124, 5473000), (125, 5429216), (130, 5220400), (155, 4378400), (160, 4241575), (200, 3393260), (208, 3262750), (248, 2736500), (250, 2714608), (260, 2610200), (310, 2189200), (325, 2088160), (400, 1696630), (403, 1684000), (416, 1631375), (421, 1612000), (496, 1368250), (500, 1357304), (520, 1305100), (620, 1094600), (650, 1044080), (775, 875680), (800, 848315), (806, 842000), (842, 806000), (992, 684125), (1000, 678652), (1040, 652550), (1240, 547300), (1300, 522040), (1550, 437840), (1612, 421000), (1625, 417632), (1684, 403000), (2000, 339326), (2015, 336800), (2080, 326275), (2105, 322400), (2480, 273650), (2600, 261020), (3100, 218920), (3224, 210500), (3250, 208816), (3368, 201500), (3875, 175136), (4000, 169663), (4030, 168400), (4210, 161200), (4960, 136825), (5200, 130510), (5473, 124000), (6200, 109460), (6448, 105250), (6500, 104408), (6736, 100750), (7750, 87568), (8060, 84200), (8420, 80600), (10075, 67360), (10400, 65255), (10525, 64480), (10946, 62000), (12400, 54730), (12896, 52625), (13000, 52204), (13051, 52000), (13472, 50375), (15500, 43784), (16120, 42100), (16840, 40300), (20150, 33680), (21050, 32240), (21892, 31000), (24800, 27365), (26000, 26102)]