38971340

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{239}}^1\times {\mathrm{263}}^1$

素因数の和:542

約数の個数: 48

約数和(自身を含む): 85155840

約数和(自身を除く): 46184500

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 239, 263, 310, 478, 526, 620, 956, 1052, 1195, 1315, 2390, 2630, 4780, 5260, 7409, 8153, 14818, 16306, 29636, 32612, 37045, 40765, 62857, 74090, 81530, 125714, 148180, 163060, 251428, 314285, 628570, 1257140, 1948567, 3897134, 7794268, 9742835, 19485670, 38971340]

約数ペア:

[(1, 38971340), (2, 19485670), (4, 9742835), (5, 7794268), (10, 3897134), (20, 1948567), (31, 1257140), (62, 628570), (124, 314285), (155, 251428), (239, 163060), (263, 148180), (310, 125714), (478, 81530), (526, 74090), (620, 62857), (956, 40765), (1052, 37045), (1195, 32612), (1315, 29636), (2390, 16306), (2630, 14818), (4780, 8153), (5260, 7409)]