307970

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1$

素因数の和:146

約数の個数: 32

約数和(自身を含む): 628992

約数和(自身を除く): 321022

約数列:

[1, 2, 5, 10, 13, 23, 26, 46, 65, 103, 115, 130, 206, 230, 299, 515, 598, 1030, 1339, 1495, 2369, 2678, 2990, 4738, 6695, 11845, 13390, 23690, 30797, 61594, 153985, 307970]

約数ペア:

[(1, 307970), (2, 153985), (5, 61594), (10, 30797), (13, 23690), (23, 13390), (26, 11845), (46, 6695), (65, 4738), (103, 2990), (115, 2678), (130, 2369), (206, 1495), (230, 1339), (299, 1030), (515, 598)]