291599180

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{353}}^1\times {\mathrm{401}}^1$

素因数の和:866

約数の個数: 48

約数和(自身を含む): 621601344

約数和(自身を除く): 330002164

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 353, 401, 412, 515, 706, 802, 1030, 1412, 1604, 1765, 2005, 2060, 3530, 4010, 7060, 8020, 36359, 41303, 72718, 82606, 141553, 145436, 165212, 181795, 206515, 283106, 363590, 413030, 566212, 707765, 727180, 826060, 1415530, 2831060, 14579959, 29159918, 58319836, 72899795, 145799590, 291599180]

約数ペア:

[(1, 291599180), (2, 145799590), (4, 72899795), (5, 58319836), (10, 29159918), (20, 14579959), (103, 2831060), (206, 1415530), (353, 826060), (401, 727180), (412, 707765), (515, 566212), (706, 413030), (802, 363590), (1030, 283106), (1412, 206515), (1604, 181795), (1765, 165212), (2005, 145436), (2060, 141553), (3530, 82606), (4010, 72718), (7060, 41303), (8020, 36359)]