251410740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{277}}^1\times {\mathrm{2161}}^1$

素因数の和:2457

約数の個数: 96

約数和(自身を含む): 807792384

約数和(自身を除く): 556381644

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 277, 420, 554, 831, 1108, 1385, 1662, 1939, 2161, 2770, 3324, 3878, 4155, 4322, 5540, 5817, 6483, 7756, 8310, 8644, 9695, 10805, 11634, 12966, 15127, 16620, 19390, 21610, 23268, 25932, 29085, 30254, 32415, 38780, 43220, 45381, 58170, 60508, 64830, 75635, 90762, 116340, 129660, 151270, 181524, 226905, 302540, 453810, 598597, 907620, 1197194, 1795791, 2394388, 2992985, 3591582, 4190179, 5985970, 7183164, 8380358, 8978955, 11971940, 12570537, 16760716, 17957910, 20950895, 25141074, 35915820, 41901790, 50282148, 62852685, 83803580, 125705370, 251410740]

約数ペア:

[(1, 251410740), (2, 125705370), (3, 83803580), (4, 62852685), (5, 50282148), (6, 41901790), (7, 35915820), (10, 25141074), (12, 20950895), (14, 17957910), (15, 16760716), (20, 12570537), (21, 11971940), (28, 8978955), (30, 8380358), (35, 7183164), (42, 5985970), (60, 4190179), (70, 3591582), (84, 2992985), (105, 2394388), (140, 1795791), (210, 1197194), (277, 907620), (420, 598597), (554, 453810), (831, 302540), (1108, 226905), (1385, 181524), (1662, 151270), (1939, 129660), (2161, 116340), (2770, 90762), (3324, 75635), (3878, 64830), (4155, 60508), (4322, 58170), (5540, 45381), (5817, 43220), (6483, 38780), (7756, 32415), (8310, 30254), (8644, 29085), (9695, 25932), (10805, 23268), (11634, 21610), (12966, 19390), (15127, 16620)]