549781180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{383}}^1\times {\mathrm{5521}}^1$

素因数の和:5926

約数の個数: 48

約数和(自身を含む): 1246823424

約数和(自身を除く): 697042244

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 383, 766, 1532, 1915, 3830, 4979, 5521, 7660, 9958, 11042, 19916, 22084, 24895, 27605, 49790, 55210, 71773, 99580, 110420, 143546, 287092, 358865, 717730, 1435460, 2114543, 4229086, 8458172, 10572715, 21145430, 27489059, 42290860, 54978118, 109956236, 137445295, 274890590, 549781180]

約数ペア:

[(1, 549781180), (2, 274890590), (4, 137445295), (5, 109956236), (10, 54978118), (13, 42290860), (20, 27489059), (26, 21145430), (52, 10572715), (65, 8458172), (130, 4229086), (260, 2114543), (383, 1435460), (766, 717730), (1532, 358865), (1915, 287092), (3830, 143546), (4979, 110420), (5521, 99580), (7660, 71773), (9958, 55210), (11042, 49790), (19916, 27605), (22084, 24895)]