140339480

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{113177}}^1$

素因数の和:113219

約数の個数: 32

約数和(自身を含む): 325952640

約数和(自身を除く): 185613160

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 113177, 226354, 452708, 565885, 905416, 1131770, 2263540, 3508487, 4527080, 7016974, 14033948, 17542435, 28067896, 35084870, 70169740, 140339480]

約数ペア:

[(1, 140339480), (2, 70169740), (4, 35084870), (5, 28067896), (8, 17542435), (10, 14033948), (20, 7016974), (31, 4527080), (40, 3508487), (62, 2263540), (124, 1131770), (155, 905416), (248, 565885), (310, 452708), (620, 226354), (1240, 113177)]