349778890

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{239}}^1\times {\mathrm{4721}}^1$

素因数の和:4998

約数の個数: 32

約数和(自身を含む): 652769280

約数和(自身を除く): 302990390

約数列:

[1, 2, 5, 10, 31, 62, 155, 239, 310, 478, 1195, 2390, 4721, 7409, 9442, 14818, 23605, 37045, 47210, 74090, 146351, 292702, 731755, 1128319, 1463510, 2256638, 5641595, 11283190, 34977889, 69955778, 174889445, 349778890]

約数ペア:

[(1, 349778890), (2, 174889445), (5, 69955778), (10, 34977889), (31, 11283190), (62, 5641595), (155, 2256638), (239, 1463510), (310, 1128319), (478, 731755), (1195, 292702), (2390, 146351), (4721, 74090), (7409, 47210), (9442, 37045), (14818, 23605)]