348540580

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{2621}}^1$

素因数の和:2800

約数の個数: 48

約数和(自身を含む): 751045680

約数和(自身を除く): 402505100

約数列:

[1, 2, 4, 5, 10, 20, 61, 109, 122, 218, 244, 305, 436, 545, 610, 1090, 1220, 2180, 2621, 5242, 6649, 10484, 13105, 13298, 26210, 26596, 33245, 52420, 66490, 132980, 159881, 285689, 319762, 571378, 639524, 799405, 1142756, 1428445, 1598810, 2856890, 3197620, 5713780, 17427029, 34854058, 69708116, 87135145, 174270290, 348540580]

約数ペア:

[(1, 348540580), (2, 174270290), (4, 87135145), (5, 69708116), (10, 34854058), (20, 17427029), (61, 5713780), (109, 3197620), (122, 2856890), (218, 1598810), (244, 1428445), (305, 1142756), (436, 799405), (545, 639524), (610, 571378), (1090, 319762), (1220, 285689), (2180, 159881), (2621, 132980), (5242, 66490), (6649, 52420), (10484, 33245), (13105, 26596), (13298, 26210)]