31339280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{191}}^1\times {\mathrm{293}}^1$

素因数の和:504

約数の個数: 80

約数和(自身を含む): 83994624

約数和(自身を除く): 52655344

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 191, 280, 293, 382, 560, 586, 764, 955, 1172, 1337, 1465, 1528, 1910, 2051, 2344, 2674, 2930, 3056, 3820, 4102, 4688, 5348, 5860, 6685, 7640, 8204, 10255, 10696, 11720, 13370, 15280, 16408, 20510, 21392, 23440, 26740, 32816, 41020, 53480, 55963, 82040, 106960, 111926, 164080, 223852, 279815, 391741, 447704, 559630, 783482, 895408, 1119260, 1566964, 1958705, 2238520, 3133928, 3917410, 4477040, 6267856, 7834820, 15669640, 31339280]

約数ペア:

[(1, 31339280), (2, 15669640), (4, 7834820), (5, 6267856), (7, 4477040), (8, 3917410), (10, 3133928), (14, 2238520), (16, 1958705), (20, 1566964), (28, 1119260), (35, 895408), (40, 783482), (56, 559630), (70, 447704), (80, 391741), (112, 279815), (140, 223852), (191, 164080), (280, 111926), (293, 106960), (382, 82040), (560, 55963), (586, 53480), (764, 41020), (955, 32816), (1172, 26740), (1337, 23440), (1465, 21392), (1528, 20510), (1910, 16408), (2051, 15280), (2344, 13370), (2674, 11720), (2930, 10696), (3056, 10255), (3820, 8204), (4102, 7640), (4688, 6685), (5348, 5860)]