680645050

素因数分解:

$2^1\times 5^2\times {\mathrm{71}}^1\times {\mathrm{109}}^1\times {\mathrm{1759}}^1$

素因数の和:1951

約数の個数: 48

約数和(自身を含む): 1296345600

約数和(自身を除く): 615700550

約数列:

[1, 2, 5, 10, 25, 50, 71, 109, 142, 218, 355, 545, 710, 1090, 1759, 1775, 2725, 3518, 3550, 5450, 7739, 8795, 15478, 17590, 38695, 43975, 77390, 87950, 124889, 191731, 193475, 249778, 383462, 386950, 624445, 958655, 1248890, 1917310, 3122225, 4793275, 6244450, 9586550, 13612901, 27225802, 68064505, 136129010, 340322525, 680645050]

約数ペア:

[(1, 680645050), (2, 340322525), (5, 136129010), (10, 68064505), (25, 27225802), (50, 13612901), (71, 9586550), (109, 6244450), (142, 4793275), (218, 3122225), (355, 1917310), (545, 1248890), (710, 958655), (1090, 624445), (1759, 386950), (1775, 383462), (2725, 249778), (3518, 193475), (3550, 191731), (5450, 124889), (7739, 87950), (8795, 77390), (15478, 43975), (17590, 38695)]