142544440

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^2\times {\mathrm{571}}^1$

素因数の和:740

約数の個数: 48

約数和(自身を含む): 325405080

約数和(自身を除く): 182860640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 571, 632, 790, 1142, 1580, 2284, 2855, 3160, 4568, 5710, 6241, 11420, 12482, 22840, 24964, 31205, 45109, 49928, 62410, 90218, 124820, 180436, 225545, 249640, 360872, 451090, 902180, 1804360, 3563611, 7127222, 14254444, 17818055, 28508888, 35636110, 71272220, 142544440]

約数ペア:

[(1, 142544440), (2, 71272220), (4, 35636110), (5, 28508888), (8, 17818055), (10, 14254444), (20, 7127222), (40, 3563611), (79, 1804360), (158, 902180), (316, 451090), (395, 360872), (571, 249640), (632, 225545), (790, 180436), (1142, 124820), (1580, 90218), (2284, 62410), (2855, 49928), (3160, 45109), (4568, 31205), (5710, 24964), (6241, 22840), (11420, 12482)]