400833940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{53161}}^1$

素因数の和:53212

約数の個数: 48

約数和(自身を含む): 937777680

約数和(自身を除く): 536943740

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 29, 52, 58, 65, 116, 130, 145, 260, 290, 377, 580, 754, 1508, 1885, 3770, 7540, 53161, 106322, 212644, 265805, 531610, 691093, 1063220, 1382186, 1541669, 2764372, 3083338, 3455465, 6166676, 6910930, 7708345, 13821860, 15416690, 20041697, 30833380, 40083394, 80166788, 100208485, 200416970, 400833940]

約数ペア:

[(1, 400833940), (2, 200416970), (4, 100208485), (5, 80166788), (10, 40083394), (13, 30833380), (20, 20041697), (26, 15416690), (29, 13821860), (52, 7708345), (58, 6910930), (65, 6166676), (116, 3455465), (130, 3083338), (145, 2764372), (260, 1541669), (290, 1382186), (377, 1063220), (580, 691093), (754, 531610), (1508, 265805), (1885, 212644), (3770, 106322), (7540, 53161)]