55401220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{307}}^1\times {\mathrm{1289}}^1$

素因数の和:1612

約数の個数: 48

約数和(自身を含む): 133499520

約数和(自身を除く): 78098300

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 307, 614, 1228, 1289, 1535, 2149, 2578, 3070, 4298, 5156, 6140, 6445, 8596, 9023, 10745, 12890, 18046, 21490, 25780, 36092, 42980, 45115, 90230, 180460, 395723, 791446, 1582892, 1978615, 2770061, 3957230, 5540122, 7914460, 11080244, 13850305, 27700610, 55401220]

約数ペア:

[(1, 55401220), (2, 27700610), (4, 13850305), (5, 11080244), (7, 7914460), (10, 5540122), (14, 3957230), (20, 2770061), (28, 1978615), (35, 1582892), (70, 791446), (140, 395723), (307, 180460), (614, 90230), (1228, 45115), (1289, 42980), (1535, 36092), (2149, 25780), (2578, 21490), (3070, 18046), (4298, 12890), (5156, 10745), (6140, 9023), (6445, 8596)]