203427890

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{4721}}^1$

素因数の和:4898

約数の個数: 32

約数和(自身を含む): 380782080

約数和(自身を除く): 177354190

約数列:

[1, 2, 5, 10, 31, 62, 139, 155, 278, 310, 695, 1390, 4309, 4721, 8618, 9442, 21545, 23605, 43090, 47210, 146351, 292702, 656219, 731755, 1312438, 1463510, 3281095, 6562190, 20342789, 40685578, 101713945, 203427890]

約数ペア:

[(1, 203427890), (2, 101713945), (5, 40685578), (10, 20342789), (31, 6562190), (62, 3281095), (139, 1463510), (155, 1312438), (278, 731755), (310, 656219), (695, 292702), (1390, 146351), (4309, 47210), (4721, 43090), (8618, 23605), (9442, 21545)]