861830620

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{593}}^1\times {\mathrm{1483}}^1$

素因数の和:2099

約数の個数: 72

約数和(自身を含む): 2110301424

約数和(自身を除く): 1248470804

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 593, 980, 1186, 1483, 2372, 2965, 2966, 4151, 5930, 5932, 7415, 8302, 10381, 11860, 14830, 16604, 20755, 20762, 29057, 29660, 41510, 41524, 51905, 58114, 72667, 83020, 103810, 116228, 145285, 145334, 207620, 290570, 290668, 363335, 581140, 726670, 879419, 1453340, 1758838, 3517676, 4397095, 6155933, 8794190, 12311866, 17588380, 24623732, 30779665, 43091531, 61559330, 86183062, 123118660, 172366124, 215457655, 430915310, 861830620]

約数ペア:

[(1, 861830620), (2, 430915310), (4, 215457655), (5, 172366124), (7, 123118660), (10, 86183062), (14, 61559330), (20, 43091531), (28, 30779665), (35, 24623732), (49, 17588380), (70, 12311866), (98, 8794190), (140, 6155933), (196, 4397095), (245, 3517676), (490, 1758838), (593, 1453340), (980, 879419), (1186, 726670), (1483, 581140), (2372, 363335), (2965, 290668), (2966, 290570), (4151, 207620), (5930, 145334), (5932, 145285), (7415, 116228), (8302, 103810), (10381, 83020), (11860, 72667), (14830, 58114), (16604, 51905), (20755, 41524), (20762, 41510), (29057, 29660)]