408032075

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{2081}}^1$

素因数の和:2156

約数の個数: 48

約数和(自身を含む): 594819072

約数和(自身を除く): 186786997

約数列:

[1, 5, 11, 23, 25, 31, 55, 115, 155, 253, 275, 341, 575, 713, 775, 1265, 1705, 2081, 3565, 6325, 7843, 8525, 10405, 17825, 22891, 39215, 47863, 52025, 64511, 114455, 196075, 239315, 322555, 526493, 572275, 709621, 1196575, 1483753, 1612775, 2632465, 3548105, 7418765, 13162325, 16321283, 17740525, 37093825, 81606415, 408032075]

約数ペア:

[(1, 408032075), (5, 81606415), (11, 37093825), (23, 17740525), (25, 16321283), (31, 13162325), (55, 7418765), (115, 3548105), (155, 2632465), (253, 1612775), (275, 1483753), (341, 1196575), (575, 709621), (713, 572275), (775, 526493), (1265, 322555), (1705, 239315), (2081, 196075), (3565, 114455), (6325, 64511), (7843, 52025), (8525, 47863), (10405, 39215), (17825, 22891)]