208875040

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^2\times {\mathrm{10789}}^1$

素因数の和:10826

約数の個数: 72

約数和(自身を含む): 542456460

約数和(自身を除く): 333581420

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 121, 160, 176, 220, 242, 352, 440, 484, 605, 880, 968, 1210, 1760, 1936, 2420, 3872, 4840, 9680, 10789, 19360, 21578, 43156, 53945, 86312, 107890, 118679, 172624, 215780, 237358, 345248, 431560, 474716, 593395, 863120, 949432, 1186790, 1305469, 1726240, 1898864, 2373580, 2610938, 3797728, 4747160, 5221876, 6527345, 9494320, 10443752, 13054690, 18988640, 20887504, 26109380, 41775008, 52218760, 104437520, 208875040]

約数ペア:

[(1, 208875040), (2, 104437520), (4, 52218760), (5, 41775008), (8, 26109380), (10, 20887504), (11, 18988640), (16, 13054690), (20, 10443752), (22, 9494320), (32, 6527345), (40, 5221876), (44, 4747160), (55, 3797728), (80, 2610938), (88, 2373580), (110, 1898864), (121, 1726240), (160, 1305469), (176, 1186790), (220, 949432), (242, 863120), (352, 593395), (440, 474716), (484, 431560), (605, 345248), (880, 237358), (968, 215780), (1210, 172624), (1760, 118679), (1936, 107890), (2420, 86312), (3872, 53945), (4840, 43156), (9680, 21578), (10789, 19360)]