27573940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{487}}^1$

素因数の和:664

約数の個数: 48

約数和(自身を含む): 61488000

約数和(自身を除く): 33914060

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 149, 190, 298, 380, 487, 596, 745, 974, 1490, 1948, 2435, 2831, 2980, 4870, 5662, 9253, 9740, 11324, 14155, 18506, 28310, 37012, 46265, 56620, 72563, 92530, 145126, 185060, 290252, 362815, 725630, 1378697, 1451260, 2757394, 5514788, 6893485, 13786970, 27573940]

約数ペア:

[(1, 27573940), (2, 13786970), (4, 6893485), (5, 5514788), (10, 2757394), (19, 1451260), (20, 1378697), (38, 725630), (76, 362815), (95, 290252), (149, 185060), (190, 145126), (298, 92530), (380, 72563), (487, 56620), (596, 46265), (745, 37012), (974, 28310), (1490, 18506), (1948, 14155), (2435, 11324), (2831, 9740), (2980, 9253), (4870, 5662)]