2100037720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{65381}}^1$

素因数の和:65476

約数の個数: 64

約数和(自身を含む): 5225329440

約数和(自身を除く): 3125291720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 73, 88, 110, 146, 220, 292, 365, 440, 584, 730, 803, 1460, 1606, 2920, 3212, 4015, 6424, 8030, 16060, 32120, 65381, 130762, 261524, 326905, 523048, 653810, 719191, 1307620, 1438382, 2615240, 2876764, 3595955, 4772813, 5753528, 7191910, 9545626, 14383820, 19091252, 23864065, 28767640, 38182504, 47728130, 52500943, 95456260, 105001886, 190912520, 210003772, 262504715, 420007544, 525009430, 1050018860, 2100037720]

約数ペア:

[(1, 2100037720), (2, 1050018860), (4, 525009430), (5, 420007544), (8, 262504715), (10, 210003772), (11, 190912520), (20, 105001886), (22, 95456260), (40, 52500943), (44, 47728130), (55, 38182504), (73, 28767640), (88, 23864065), (110, 19091252), (146, 14383820), (220, 9545626), (292, 7191910), (365, 5753528), (440, 4772813), (584, 3595955), (730, 2876764), (803, 2615240), (1460, 1438382), (1606, 1307620), (2920, 719191), (3212, 653810), (4015, 523048), (6424, 326905), (8030, 261524), (16060, 130762), (32120, 65381)]