51861110

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{109}}^1\times {\mathrm{971}}^1$

素因数の和:1101

約数の個数: 48

約数和(自身を含む): 109699920

約数和(自身を除く): 57838810

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 109, 218, 245, 490, 545, 763, 971, 1090, 1526, 1942, 3815, 4855, 5341, 6797, 7630, 9710, 10682, 13594, 26705, 33985, 47579, 53410, 67970, 95158, 105839, 211678, 237895, 475790, 529195, 740873, 1058390, 1481746, 3704365, 5186111, 7408730, 10372222, 25930555, 51861110]

約数ペア:

[(1, 51861110), (2, 25930555), (5, 10372222), (7, 7408730), (10, 5186111), (14, 3704365), (35, 1481746), (49, 1058390), (70, 740873), (98, 529195), (109, 475790), (218, 237895), (245, 211678), (490, 105839), (545, 95158), (763, 67970), (971, 53410), (1090, 47579), (1526, 33985), (1942, 26705), (3815, 13594), (4855, 10682), (5341, 9710), (6797, 7630)]