678889760

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{223319}}^1$

素因数の和:223353

約数の個数: 48

約数和(自身を含む): 1688299200

約数和(自身を除く): 1009409440

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 380, 608, 760, 1520, 3040, 223319, 446638, 893276, 1116595, 1786552, 2233190, 3573104, 4243061, 4466380, 7146208, 8486122, 8932760, 16972244, 17865520, 21215305, 33944488, 35731040, 42430610, 67888976, 84861220, 135777952, 169722440, 339444880, 678889760]

約数ペア:

[(1, 678889760), (2, 339444880), (4, 169722440), (5, 135777952), (8, 84861220), (10, 67888976), (16, 42430610), (19, 35731040), (20, 33944488), (32, 21215305), (38, 17865520), (40, 16972244), (76, 8932760), (80, 8486122), (95, 7146208), (152, 4466380), (160, 4243061), (190, 3573104), (304, 2233190), (380, 1786552), (608, 1116595), (760, 893276), (1520, 446638), (3040, 223319)]