28927121000

素因数分解:

$2^3\times 5^3\times {\mathrm{163}}^1\times {\mathrm{177467}}^1$

素因数の和:177651

約数の個数: 64

約数和(自身を含む): 68105119680

約数和(自身を除く): 39177998680

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 163, 200, 250, 326, 500, 652, 815, 1000, 1304, 1630, 3260, 4075, 6520, 8150, 16300, 20375, 32600, 40750, 81500, 163000, 177467, 354934, 709868, 887335, 1419736, 1774670, 3549340, 4436675, 7098680, 8873350, 17746700, 22183375, 28927121, 35493400, 44366750, 57854242, 88733500, 115708484, 144635605, 177467000, 231416968, 289271210, 578542420, 723178025, 1157084840, 1446356050, 2892712100, 3615890125, 5785424200, 7231780250, 14463560500, 28927121000]

約数ペア:

[(1, 28927121000), (2, 14463560500), (4, 7231780250), (5, 5785424200), (8, 3615890125), (10, 2892712100), (20, 1446356050), (25, 1157084840), (40, 723178025), (50, 578542420), (100, 289271210), (125, 231416968), (163, 177467000), (200, 144635605), (250, 115708484), (326, 88733500), (500, 57854242), (652, 44366750), (815, 35493400), (1000, 28927121), (1304, 22183375), (1630, 17746700), (3260, 8873350), (4075, 7098680), (6520, 4436675), (8150, 3549340), (16300, 1774670), (20375, 1419736), (32600, 887335), (40750, 709868), (81500, 354934), (163000, 177467)]