71244580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{2971}}^1$

素因数の和:3100

約数の個数: 48

約数和(自身を含む): 164767680

約数和(自身を除く): 93523100

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 109, 110, 218, 220, 436, 545, 1090, 1199, 2180, 2398, 2971, 4796, 5942, 5995, 11884, 11990, 14855, 23980, 29710, 32681, 59420, 65362, 130724, 163405, 323839, 326810, 647678, 653620, 1295356, 1619195, 3238390, 3562229, 6476780, 7124458, 14248916, 17811145, 35622290, 71244580]

約数ペア:

[(1, 71244580), (2, 35622290), (4, 17811145), (5, 14248916), (10, 7124458), (11, 6476780), (20, 3562229), (22, 3238390), (44, 1619195), (55, 1295356), (109, 653620), (110, 647678), (218, 326810), (220, 323839), (436, 163405), (545, 130724), (1090, 65362), (1199, 59420), (2180, 32681), (2398, 29710), (2971, 23980), (4796, 14855), (5942, 11990), (5995, 11884)]