72431420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{4649}}^1$

素因数の和:4718

約数の個数: 48

約数和(自身を含む): 164052000

約数和(自身を除く): 91620580

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 41, 76, 82, 95, 164, 190, 205, 380, 410, 779, 820, 1558, 3116, 3895, 4649, 7790, 9298, 15580, 18596, 23245, 46490, 88331, 92980, 176662, 190609, 353324, 381218, 441655, 762436, 883310, 953045, 1766620, 1906090, 3621571, 3812180, 7243142, 14486284, 18107855, 36215710, 72431420]

約数ペア:

[(1, 72431420), (2, 36215710), (4, 18107855), (5, 14486284), (10, 7243142), (19, 3812180), (20, 3621571), (38, 1906090), (41, 1766620), (76, 953045), (82, 883310), (95, 762436), (164, 441655), (190, 381218), (205, 353324), (380, 190609), (410, 176662), (779, 92980), (820, 88331), (1558, 46490), (3116, 23245), (3895, 18596), (4649, 15580), (7790, 9298)]