291326360

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{560243}}^1$

素因数の和:560267

約数の個数: 32

約数和(自身を含む): 705907440

約数和(自身を除く): 414581080

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 560243, 1120486, 2240972, 2801215, 4481944, 5602430, 7283159, 11204860, 14566318, 22409720, 29132636, 36415795, 58265272, 72831590, 145663180, 291326360]

約数ペア:

[(1, 291326360), (2, 145663180), (4, 72831590), (5, 58265272), (8, 36415795), (10, 29132636), (13, 22409720), (20, 14566318), (26, 11204860), (40, 7283159), (52, 5602430), (65, 4481944), (104, 2801215), (130, 2240972), (260, 1120486), (520, 560243)]