53487140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{5381}}^1$

素因数の和:5468

約数の個数: 48

約数和(自身を含む): 130201344

約数和(自身を除く): 76714204

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 284, 355, 497, 710, 994, 1420, 1988, 2485, 4970, 5381, 9940, 10762, 21524, 26905, 37667, 53810, 75334, 107620, 150668, 188335, 376670, 382051, 753340, 764102, 1528204, 1910255, 2674357, 3820510, 5348714, 7641020, 10697428, 13371785, 26743570, 53487140]

約数ペア:

[(1, 53487140), (2, 26743570), (4, 13371785), (5, 10697428), (7, 7641020), (10, 5348714), (14, 3820510), (20, 2674357), (28, 1910255), (35, 1528204), (70, 764102), (71, 753340), (140, 382051), (142, 376670), (284, 188335), (355, 150668), (497, 107620), (710, 75334), (994, 53810), (1420, 37667), (1988, 26905), (2485, 21524), (4970, 10762), (5381, 9940)]