69627020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^2\times {\mathrm{109}}^1$

素因数の和:219

約数の個数: 72

約数和(自身を含む): 159205200

約数和(自身を除く): 89578180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 41, 76, 82, 95, 109, 164, 190, 205, 218, 380, 410, 436, 545, 779, 820, 1090, 1558, 1681, 2071, 2180, 3116, 3362, 3895, 4142, 4469, 6724, 7790, 8284, 8405, 8938, 10355, 15580, 16810, 17876, 20710, 22345, 31939, 33620, 41420, 44690, 63878, 84911, 89380, 127756, 159695, 169822, 183229, 319390, 339644, 366458, 424555, 638780, 732916, 849110, 916145, 1698220, 1832290, 3481351, 3664580, 6962702, 13925404, 17406755, 34813510, 69627020]

約数ペア:

[(1, 69627020), (2, 34813510), (4, 17406755), (5, 13925404), (10, 6962702), (19, 3664580), (20, 3481351), (38, 1832290), (41, 1698220), (76, 916145), (82, 849110), (95, 732916), (109, 638780), (164, 424555), (190, 366458), (205, 339644), (218, 319390), (380, 183229), (410, 169822), (436, 159695), (545, 127756), (779, 89380), (820, 84911), (1090, 63878), (1558, 44690), (1681, 41420), (2071, 33620), (2180, 31939), (3116, 22345), (3362, 20710), (3895, 17876), (4142, 16810), (4469, 15580), (6724, 10355), (7790, 8938), (8284, 8405)]