17705940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{42157}}^1$

素因数の和:42176

約数の個数: 48

約数和(自身を含む): 56660352

約数和(自身を除く): 38954412

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 42157, 84314, 126471, 168628, 210785, 252942, 295099, 421570, 505884, 590198, 632355, 843140, 885297, 1180396, 1264710, 1475495, 1770594, 2529420, 2950990, 3541188, 4426485, 5901980, 8852970, 17705940]

約数ペア:

[(1, 17705940), (2, 8852970), (3, 5901980), (4, 4426485), (5, 3541188), (6, 2950990), (7, 2529420), (10, 1770594), (12, 1475495), (14, 1264710), (15, 1180396), (20, 885297), (21, 843140), (28, 632355), (30, 590198), (35, 505884), (42, 421570), (60, 295099), (70, 252942), (84, 210785), (105, 168628), (140, 126471), (210, 84314), (420, 42157)]