74070020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{1663}}^1$

素因数の和:1820

約数の個数: 48

約数和(自身を含む): 166053888

約数和(自身を除く): 91983868

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 131, 170, 262, 340, 524, 655, 1310, 1663, 2227, 2620, 3326, 4454, 6652, 8315, 8908, 11135, 16630, 22270, 28271, 33260, 44540, 56542, 113084, 141355, 217853, 282710, 435706, 565420, 871412, 1089265, 2178530, 3703501, 4357060, 7407002, 14814004, 18517505, 37035010, 74070020]

約数ペア:

[(1, 74070020), (2, 37035010), (4, 18517505), (5, 14814004), (10, 7407002), (17, 4357060), (20, 3703501), (34, 2178530), (68, 1089265), (85, 871412), (131, 565420), (170, 435706), (262, 282710), (340, 217853), (524, 141355), (655, 113084), (1310, 56542), (1663, 44540), (2227, 33260), (2620, 28271), (3326, 22270), (4454, 16630), (6652, 11135), (8315, 8908)]