77777630

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{439}}^1\times {\mathrm{2531}}^1$

素因数の和:2984

約数の個数: 32

約数和(自身を含む): 160427520

約数和(自身を除く): 82649890

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 439, 878, 2195, 2531, 3073, 4390, 5062, 6146, 12655, 15365, 17717, 25310, 30730, 35434, 88585, 177170, 1111109, 2222218, 5555545, 7777763, 11111090, 15555526, 38888815, 77777630]

約数ペア:

[(1, 77777630), (2, 38888815), (5, 15555526), (7, 11111090), (10, 7777763), (14, 5555545), (35, 2222218), (70, 1111109), (439, 177170), (878, 88585), (2195, 35434), (2531, 30730), (3073, 25310), (4390, 17717), (5062, 15365), (6146, 12655)]