951580

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{971}}^1$

素因数の和:994

約数の個数: 36

約数和(自身を含む): 2326968

約数和(自身を除く): 1375388

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 971, 980, 1942, 3884, 4855, 6797, 9710, 13594, 19420, 27188, 33985, 47579, 67970, 95158, 135940, 190316, 237895, 475790, 951580]

約数ペア:

[(1, 951580), (2, 475790), (4, 237895), (5, 190316), (7, 135940), (10, 95158), (14, 67970), (20, 47579), (28, 33985), (35, 27188), (49, 19420), (70, 13594), (98, 9710), (140, 6797), (196, 4855), (245, 3884), (490, 1942), (971, 980)]