135687620

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{2459}}^1$

素因数の和:2588

約数の個数: 48

約数和(自身を含む): 297561600

約数和(自身を除く): 161873980

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 89, 124, 155, 178, 310, 356, 445, 620, 890, 1780, 2459, 2759, 4918, 5518, 9836, 11036, 12295, 13795, 24590, 27590, 49180, 55180, 76229, 152458, 218851, 304916, 381145, 437702, 762290, 875404, 1094255, 1524580, 2188510, 4377020, 6784381, 13568762, 27137524, 33921905, 67843810, 135687620]

約数ペア:

[(1, 135687620), (2, 67843810), (4, 33921905), (5, 27137524), (10, 13568762), (20, 6784381), (31, 4377020), (62, 2188510), (89, 1524580), (124, 1094255), (155, 875404), (178, 762290), (310, 437702), (356, 381145), (445, 304916), (620, 218851), (890, 152458), (1780, 76229), (2459, 55180), (2759, 49180), (4918, 27590), (5518, 24590), (9836, 13795), (11036, 12295)]