71581730

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{379}}^1$

素因数の和:515

約数の個数: 64

約数和(自身を含む): 150698880

約数和(自身を除く): 79117150

約数列:

[1, 2, 5, 10, 11, 17, 22, 34, 55, 85, 101, 110, 170, 187, 202, 374, 379, 505, 758, 935, 1010, 1111, 1717, 1870, 1895, 2222, 3434, 3790, 4169, 5555, 6443, 8338, 8585, 11110, 12886, 17170, 18887, 20845, 32215, 37774, 38279, 41690, 64430, 70873, 76558, 94435, 141746, 188870, 191395, 354365, 382790, 421069, 650743, 708730, 842138, 1301486, 2105345, 3253715, 4210690, 6507430, 7158173, 14316346, 35790865, 71581730]

約数ペア:

[(1, 71581730), (2, 35790865), (5, 14316346), (10, 7158173), (11, 6507430), (17, 4210690), (22, 3253715), (34, 2105345), (55, 1301486), (85, 842138), (101, 708730), (110, 650743), (170, 421069), (187, 382790), (202, 354365), (374, 191395), (379, 188870), (505, 141746), (758, 94435), (935, 76558), (1010, 70873), (1111, 64430), (1717, 41690), (1870, 38279), (1895, 37774), (2222, 32215), (3434, 20845), (3790, 18887), (4169, 17170), (5555, 12886), (6443, 11110), (8338, 8585)]