85506680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{9851}}^1$

素因数の和:9900

約数の個数: 64

約数和(自身を含む): 226990080

約数和(自身を除く): 141483400

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, 9851, 19702, 39404, 49255, 68957, 78808, 98510, 137914, 197020, 275828, 305381, 344785, 394040, 551656, 610762, 689570, 1221524, 1379140, 1526905, 2137667, 2443048, 2758280, 3053810, 4275334, 6107620, 8550668, 10688335, 12215240, 17101336, 21376670, 42753340, 85506680]

約数ペア:

[(1, 85506680), (2, 42753340), (4, 21376670), (5, 17101336), (7, 12215240), (8, 10688335), (10, 8550668), (14, 6107620), (20, 4275334), (28, 3053810), (31, 2758280), (35, 2443048), (40, 2137667), (56, 1526905), (62, 1379140), (70, 1221524), (124, 689570), (140, 610762), (155, 551656), (217, 394040), (248, 344785), (280, 305381), (310, 275828), (434, 197020), (620, 137914), (868, 98510), (1085, 78808), (1240, 68957), (1736, 49255), (2170, 39404), (4340, 19702), (8680, 9851)]