15697716820

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{443689}}^1$

素因数の和:443788

約数の個数: 48

約数和(自身を含む): 34661062800

約数和(自身を除く): 18963345980

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 61, 116, 122, 145, 244, 290, 305, 580, 610, 1220, 1769, 3538, 7076, 8845, 17690, 35380, 443689, 887378, 1774756, 2218445, 4436890, 8873780, 12866981, 25733962, 27065029, 51467924, 54130058, 64334905, 108260116, 128669810, 135325145, 257339620, 270650290, 541300580, 784885841, 1569771682, 3139543364, 3924429205, 7848858410, 15697716820]

約数ペア:

[(1, 15697716820), (2, 7848858410), (4, 3924429205), (5, 3139543364), (10, 1569771682), (20, 784885841), (29, 541300580), (58, 270650290), (61, 257339620), (116, 135325145), (122, 128669810), (145, 108260116), (244, 64334905), (290, 54130058), (305, 51467924), (580, 27065029), (610, 25733962), (1220, 12866981), (1769, 8873780), (3538, 4436890), (7076, 2218445), (8845, 1774756), (17690, 887378), (35380, 443689)]