399090

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{251}}^1$

素因数の和:314

約数の個数: 32

約数和(自身を含む): 979776

約数和(自身を除く): 580686

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 53, 106, 159, 251, 265, 318, 502, 530, 753, 795, 1255, 1506, 1590, 2510, 3765, 7530, 13303, 26606, 39909, 66515, 79818, 133030, 199545, 399090]

約数ペア:

[(1, 399090), (2, 199545), (3, 133030), (5, 79818), (6, 66515), (10, 39909), (15, 26606), (30, 13303), (53, 7530), (106, 3765), (159, 2510), (251, 1590), (265, 1506), (318, 1255), (502, 795), (530, 753)]