30206090

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{701}}^1$

素因数の和:878

約数の個数: 32

約数和(自身を含む): 56609280

約数和(自身を除く): 26403190

約数列:

[1, 2, 5, 10, 31, 62, 139, 155, 278, 310, 695, 701, 1390, 1402, 3505, 4309, 7010, 8618, 21545, 21731, 43090, 43462, 97439, 108655, 194878, 217310, 487195, 974390, 3020609, 6041218, 15103045, 30206090]

約数ペア:

[(1, 30206090), (2, 15103045), (5, 6041218), (10, 3020609), (31, 974390), (62, 487195), (139, 217310), (155, 194878), (278, 108655), (310, 97439), (695, 43462), (701, 43090), (1390, 21731), (1402, 21545), (3505, 8618), (4309, 7010)]