31953940

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{1489}}^1$

素因数の和:1564

約数の個数: 48

約数和(自身を含む): 71341200

約数和(自身を除く): 39387260

約数列:

[1, 2, 4, 5, 10, 20, 29, 37, 58, 74, 116, 145, 148, 185, 290, 370, 580, 740, 1073, 1489, 2146, 2978, 4292, 5365, 5956, 7445, 10730, 14890, 21460, 29780, 43181, 55093, 86362, 110186, 172724, 215905, 220372, 275465, 431810, 550930, 863620, 1101860, 1597697, 3195394, 6390788, 7988485, 15976970, 31953940]

約数ペア:

[(1, 31953940), (2, 15976970), (4, 7988485), (5, 6390788), (10, 3195394), (20, 1597697), (29, 1101860), (37, 863620), (58, 550930), (74, 431810), (116, 275465), (145, 220372), (148, 215905), (185, 172724), (290, 110186), (370, 86362), (580, 55093), (740, 43181), (1073, 29780), (1489, 21460), (2146, 14890), (2978, 10730), (4292, 7445), (5365, 5956)]