746920

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{263}}^1$

素因数の和:345

約数の個数: 32

約数和(自身を含む): 1710720

約数和(自身を除く): 963800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 263, 284, 355, 526, 568, 710, 1052, 1315, 1420, 2104, 2630, 2840, 5260, 10520, 18673, 37346, 74692, 93365, 149384, 186730, 373460, 746920]

約数ペア:

[(1, 746920), (2, 373460), (4, 186730), (5, 149384), (8, 93365), (10, 74692), (20, 37346), (40, 18673), (71, 10520), (142, 5260), (263, 2840), (284, 2630), (355, 2104), (526, 1420), (568, 1315), (710, 1052)]