1949432860

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{313}}^1\times {\mathrm{3499}}^1$

素因数の和:3910

約数の個数: 48

約数和(自身を含む): 4154220000

約数和(自身を除く): 2204787140

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 313, 356, 445, 626, 890, 1252, 1565, 1780, 3130, 3499, 6260, 6998, 13996, 17495, 27857, 34990, 55714, 69980, 111428, 139285, 278570, 311411, 557140, 622822, 1095187, 1245644, 1557055, 2190374, 3114110, 4380748, 5475935, 6228220, 10951870, 21903740, 97471643, 194943286, 389886572, 487358215, 974716430, 1949432860]

約数ペア:

[(1, 1949432860), (2, 974716430), (4, 487358215), (5, 389886572), (10, 194943286), (20, 97471643), (89, 21903740), (178, 10951870), (313, 6228220), (356, 5475935), (445, 4380748), (626, 3114110), (890, 2190374), (1252, 1557055), (1565, 1245644), (1780, 1095187), (3130, 622822), (3499, 557140), (6260, 311411), (6998, 278570), (13996, 139285), (17495, 111428), (27857, 69980), (34990, 55714)]