251914000

素因数分解:

$2^4\times 5^3\times {\mathrm{13}}^1\times {\mathrm{9689}}^1$

素因数の和:9725

約数の個数: 80

約数和(自身を含む): 656051760

約数和(自身を除く): 404137760

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 125, 130, 200, 208, 250, 260, 325, 400, 500, 520, 650, 1000, 1040, 1300, 1625, 2000, 2600, 3250, 5200, 6500, 9689, 13000, 19378, 26000, 38756, 48445, 77512, 96890, 125957, 155024, 193780, 242225, 251914, 387560, 484450, 503828, 629785, 775120, 968900, 1007656, 1211125, 1259570, 1937800, 2015312, 2422250, 2519140, 3148925, 3875600, 4844500, 5038280, 6297850, 9689000, 10076560, 12595700, 15744625, 19378000, 25191400, 31489250, 50382800, 62978500, 125957000, 251914000]

約数ペア:

[(1, 251914000), (2, 125957000), (4, 62978500), (5, 50382800), (8, 31489250), (10, 25191400), (13, 19378000), (16, 15744625), (20, 12595700), (25, 10076560), (26, 9689000), (40, 6297850), (50, 5038280), (52, 4844500), (65, 3875600), (80, 3148925), (100, 2519140), (104, 2422250), (125, 2015312), (130, 1937800), (200, 1259570), (208, 1211125), (250, 1007656), (260, 968900), (325, 775120), (400, 629785), (500, 503828), (520, 484450), (650, 387560), (1000, 251914), (1040, 242225), (1300, 193780), (1625, 155024), (2000, 125957), (2600, 96890), (3250, 77512), (5200, 48445), (6500, 38756), (9689, 26000), (13000, 19378)]