74318540

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{199}}^1\times {\mathrm{263}}^1$

素因数の和:542

約数の個数: 48

約数和(自身を含む): 159667200

約数和(自身を除く): 85348660

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 199, 263, 284, 355, 398, 526, 710, 796, 995, 1052, 1315, 1420, 1990, 2630, 3980, 5260, 14129, 18673, 28258, 37346, 52337, 56516, 70645, 74692, 93365, 104674, 141290, 186730, 209348, 261685, 282580, 373460, 523370, 1046740, 3715927, 7431854, 14863708, 18579635, 37159270, 74318540]

約数ペア:

[(1, 74318540), (2, 37159270), (4, 18579635), (5, 14863708), (10, 7431854), (20, 3715927), (71, 1046740), (142, 523370), (199, 373460), (263, 282580), (284, 261685), (355, 209348), (398, 186730), (526, 141290), (710, 104674), (796, 93365), (995, 74692), (1052, 70645), (1315, 56516), (1420, 52337), (1990, 37346), (2630, 28258), (3980, 18673), (5260, 14129)]