78902870

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{107}}^1\times {\mathrm{1993}}^1$

素因数の和:2144

約数の個数: 32

約数和(自身を含む): 147300768

約数和(自身を除く): 68397898

約数列:

[1, 2, 5, 10, 37, 74, 107, 185, 214, 370, 535, 1070, 1993, 3959, 3986, 7918, 9965, 19795, 19930, 39590, 73741, 147482, 213251, 368705, 426502, 737410, 1066255, 2132510, 7890287, 15780574, 39451435, 78902870]

約数ペア:

[(1, 78902870), (2, 39451435), (5, 15780574), (10, 7890287), (37, 2132510), (74, 1066255), (107, 737410), (185, 426502), (214, 368705), (370, 213251), (535, 147482), (1070, 73741), (1993, 39590), (3959, 19930), (3986, 19795), (7918, 9965)]