405291220

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{12289}}^1$

素因数の和:12412

約数の個数: 48

約数和(自身を含む): 910541520

約数和(自身を除く): 505250300

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 97, 170, 194, 340, 388, 485, 970, 1649, 1940, 3298, 6596, 8245, 12289, 16490, 24578, 32980, 49156, 61445, 122890, 208913, 245780, 417826, 835652, 1044565, 1192033, 2089130, 2384066, 4178260, 4768132, 5960165, 11920330, 20264561, 23840660, 40529122, 81058244, 101322805, 202645610, 405291220]

約数ペア:

[(1, 405291220), (2, 202645610), (4, 101322805), (5, 81058244), (10, 40529122), (17, 23840660), (20, 20264561), (34, 11920330), (68, 5960165), (85, 4768132), (97, 4178260), (170, 2384066), (194, 2089130), (340, 1192033), (388, 1044565), (485, 835652), (970, 417826), (1649, 245780), (1940, 208913), (3298, 122890), (6596, 61445), (8245, 49156), (12289, 32980), (16490, 24578)]