31259450

素因数分解:

$2^1\times 5^2\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{277}}^1$

素因数の和:387

約数の個数: 48

約数和(自身を含む): 60912024

約数和(自身を除く): 29652574

約数列:

[1, 2, 5, 10, 25, 37, 50, 61, 74, 122, 185, 277, 305, 370, 554, 610, 925, 1385, 1525, 1850, 2257, 2770, 3050, 4514, 6925, 10249, 11285, 13850, 16897, 20498, 22570, 33794, 51245, 56425, 84485, 102490, 112850, 168970, 256225, 422425, 512450, 625189, 844850, 1250378, 3125945, 6251890, 15629725, 31259450]

約数ペア:

[(1, 31259450), (2, 15629725), (5, 6251890), (10, 3125945), (25, 1250378), (37, 844850), (50, 625189), (61, 512450), (74, 422425), (122, 256225), (185, 168970), (277, 112850), (305, 102490), (370, 84485), (554, 56425), (610, 51245), (925, 33794), (1385, 22570), (1525, 20498), (1850, 16897), (2257, 13850), (2770, 11285), (3050, 10249), (4514, 6925)]