140483245

素因数分解:

$5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{293}}^1$

素因数の和:434

約数の個数: 48

約数和(自身を含む): 209139840

約数和(自身を除く): 68656595

約数列:

[1, 5, 7, 19, 35, 49, 95, 103, 133, 245, 293, 515, 665, 721, 931, 1465, 1957, 2051, 3605, 4655, 5047, 5567, 9785, 10255, 13699, 14357, 25235, 27835, 30179, 38969, 68495, 71785, 95893, 150895, 194845, 211253, 272783, 479465, 573401, 1056265, 1363915, 1478771, 2867005, 4013807, 7393855, 20069035, 28096649, 140483245]

約数ペア:

[(1, 140483245), (5, 28096649), (7, 20069035), (19, 7393855), (35, 4013807), (49, 2867005), (95, 1478771), (103, 1363915), (133, 1056265), (245, 573401), (293, 479465), (515, 272783), (665, 211253), (721, 194845), (931, 150895), (1465, 95893), (1957, 71785), (2051, 68495), (3605, 38969), (4655, 30179), (5047, 27835), (5567, 25235), (9785, 14357), (10255, 13699)]