149588920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{287671}}^1$

素因数の和:287695

約数の個数: 32

約数和(自身を含む): 362466720

約数和(自身を除く): 212877800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 287671, 575342, 1150684, 1438355, 2301368, 2876710, 3739723, 5753420, 7479446, 11506840, 14958892, 18698615, 29917784, 37397230, 74794460, 149588920]

約数ペア:

[(1, 149588920), (2, 74794460), (4, 37397230), (5, 29917784), (8, 18698615), (10, 14958892), (13, 11506840), (20, 7479446), (26, 5753420), (40, 3739723), (52, 2876710), (65, 2301368), (104, 1438355), (130, 1150684), (260, 575342), (520, 287671)]