259367080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{29881}}^1$

素因数の和:29930

約数の個数: 64

約数和(自身を含む): 688481280

約数和(自身を除く): 429114200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 248, 280, 310, 434, 620, 868, 1085, 1240, 1736, 2170, 4340, 8680, 29881, 59762, 119524, 149405, 209167, 239048, 298810, 418334, 597620, 836668, 926311, 1045835, 1195240, 1673336, 1852622, 2091670, 3705244, 4183340, 4631555, 6484177, 7410488, 8366680, 9263110, 12968354, 18526220, 25936708, 32420885, 37052440, 51873416, 64841770, 129683540, 259367080]

約数ペア:

[(1, 259367080), (2, 129683540), (4, 64841770), (5, 51873416), (7, 37052440), (8, 32420885), (10, 25936708), (14, 18526220), (20, 12968354), (28, 9263110), (31, 8366680), (35, 7410488), (40, 6484177), (56, 4631555), (62, 4183340), (70, 3705244), (124, 2091670), (140, 1852622), (155, 1673336), (217, 1195240), (248, 1045835), (280, 926311), (310, 836668), (434, 597620), (620, 418334), (868, 298810), (1085, 239048), (1240, 209167), (1736, 149405), (2170, 119524), (4340, 59762), (8680, 29881)]