51002980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{3607}}^1$

素因数の和:3724

約数の個数: 48

約数和(自身を含む): 123653376

約数和(自身を除く): 72650396

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 101, 140, 202, 404, 505, 707, 1010, 1414, 2020, 2828, 3535, 3607, 7070, 7214, 14140, 14428, 18035, 25249, 36070, 50498, 72140, 100996, 126245, 252490, 364307, 504980, 728614, 1457228, 1821535, 2550149, 3643070, 5100298, 7286140, 10200596, 12750745, 25501490, 51002980]

約数ペア:

[(1, 51002980), (2, 25501490), (4, 12750745), (5, 10200596), (7, 7286140), (10, 5100298), (14, 3643070), (20, 2550149), (28, 1821535), (35, 1457228), (70, 728614), (101, 504980), (140, 364307), (202, 252490), (404, 126245), (505, 100996), (707, 72140), (1010, 50498), (1414, 36070), (2020, 25249), (2828, 18035), (3535, 14428), (3607, 14140), (7070, 7214)]