349164020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{193}}^1\times {\mathrm{313}}^1$

素因数の和:549

約数の個数: 72

約数和(自身を含む): 785450904

約数和(自身を除く): 436286884

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 193, 289, 313, 340, 386, 578, 626, 772, 965, 1156, 1252, 1445, 1565, 1930, 2890, 3130, 3281, 3860, 5321, 5780, 6260, 6562, 10642, 13124, 16405, 21284, 26605, 32810, 53210, 55777, 60409, 65620, 90457, 106420, 111554, 120818, 180914, 223108, 241636, 278885, 302045, 361828, 452285, 557770, 604090, 904570, 1026953, 1115540, 1208180, 1809140, 2053906, 4107812, 5134765, 10269530, 17458201, 20539060, 34916402, 69832804, 87291005, 174582010, 349164020]

約数ペア:

[(1, 349164020), (2, 174582010), (4, 87291005), (5, 69832804), (10, 34916402), (17, 20539060), (20, 17458201), (34, 10269530), (68, 5134765), (85, 4107812), (170, 2053906), (193, 1809140), (289, 1208180), (313, 1115540), (340, 1026953), (386, 904570), (578, 604090), (626, 557770), (772, 452285), (965, 361828), (1156, 302045), (1252, 278885), (1445, 241636), (1565, 223108), (1930, 180914), (2890, 120818), (3130, 111554), (3281, 106420), (3860, 90457), (5321, 65620), (5780, 60409), (6260, 55777), (6562, 53210), (10642, 32810), (13124, 26605), (16405, 21284)]