726450140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{20101}}^1$

素因数の和:20262

約数の個数: 48

約数和(自身を含む): 1654796640

約数和(自身を除く): 928346500

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 139, 260, 278, 556, 695, 1390, 1807, 2780, 3614, 7228, 9035, 18070, 20101, 36140, 40202, 80404, 100505, 201010, 261313, 402020, 522626, 1045252, 1306565, 2613130, 2794039, 5226260, 5588078, 11176156, 13970195, 27940390, 36322507, 55880780, 72645014, 145290028, 181612535, 363225070, 726450140]

約数ペア:

[(1, 726450140), (2, 363225070), (4, 181612535), (5, 145290028), (10, 72645014), (13, 55880780), (20, 36322507), (26, 27940390), (52, 13970195), (65, 11176156), (130, 5588078), (139, 5226260), (260, 2794039), (278, 2613130), (556, 1306565), (695, 1045252), (1390, 522626), (1807, 402020), (2780, 261313), (3614, 201010), (7228, 100505), (9035, 80404), (18070, 40202), (20101, 36140)]