505531000

素因数分解:

$2^3\times 5^3\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1051}}^1$

素因数の和:1122

約数の個数: 128

約数和(自身を含む): 1309613760

約数和(自身を除く): 804082760

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 37, 40, 50, 52, 65, 74, 100, 104, 125, 130, 148, 185, 200, 250, 260, 296, 325, 370, 481, 500, 520, 650, 740, 925, 962, 1000, 1051, 1300, 1480, 1625, 1850, 1924, 2102, 2405, 2600, 3250, 3700, 3848, 4204, 4625, 4810, 5255, 6500, 7400, 8408, 9250, 9620, 10510, 12025, 13000, 13663, 18500, 19240, 21020, 24050, 26275, 27326, 37000, 38887, 42040, 48100, 52550, 54652, 60125, 68315, 77774, 96200, 105100, 109304, 120250, 131375, 136630, 155548, 194435, 210200, 240500, 262750, 273260, 311096, 341575, 388870, 481000, 505531, 525500, 546520, 683150, 777740, 972175, 1011062, 1051000, 1366300, 1555480, 1707875, 1944350, 2022124, 2527655, 2732600, 3415750, 3888700, 4044248, 4860875, 5055310, 6831500, 7777400, 9721750, 10110620, 12638275, 13663000, 19443500, 20221240, 25276550, 38887000, 50553100, 63191375, 101106200, 126382750, 252765500, 505531000]

約数ペア:

[(1, 505531000), (2, 252765500), (4, 126382750), (5, 101106200), (8, 63191375), (10, 50553100), (13, 38887000), (20, 25276550), (25, 20221240), (26, 19443500), (37, 13663000), (40, 12638275), (50, 10110620), (52, 9721750), (65, 7777400), (74, 6831500), (100, 5055310), (104, 4860875), (125, 4044248), (130, 3888700), (148, 3415750), (185, 2732600), (200, 2527655), (250, 2022124), (260, 1944350), (296, 1707875), (325, 1555480), (370, 1366300), (481, 1051000), (500, 1011062), (520, 972175), (650, 777740), (740, 683150), (925, 546520), (962, 525500), (1000, 505531), (1051, 481000), (1300, 388870), (1480, 341575), (1625, 311096), (1850, 273260), (1924, 262750), (2102, 240500), (2405, 210200), (2600, 194435), (3250, 155548), (3700, 136630), (3848, 131375), (4204, 120250), (4625, 109304), (4810, 105100), (5255, 96200), (6500, 77774), (7400, 68315), (8408, 60125), (9250, 54652), (9620, 52550), (10510, 48100), (12025, 42040), (13000, 38887), (13663, 37000), (18500, 27326), (19240, 26275), (21020, 24050)]