291239030

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{19403}}^1$

素因数の和:19508

約数の個数: 32

約数和(自身を含む): 558835200

約数和(自身を除く): 267596170

約数列:

[1, 2, 5, 10, 19, 38, 79, 95, 158, 190, 395, 790, 1501, 3002, 7505, 15010, 19403, 38806, 97015, 194030, 368657, 737314, 1532837, 1843285, 3065674, 3686570, 7664185, 15328370, 29123903, 58247806, 145619515, 291239030]

約数ペア:

[(1, 291239030), (2, 145619515), (5, 58247806), (10, 29123903), (19, 15328370), (38, 7664185), (79, 3686570), (95, 3065674), (158, 1843285), (190, 1532837), (395, 737314), (790, 368657), (1501, 194030), (3002, 97015), (7505, 38806), (15010, 19403)]