408792860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{2919949}}^1$

素因数の和:2919965

約数の個数: 24

約数和(自身を含む): 981103200

約数和(自身を除く): 572310340

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 2919949, 5839898, 11679796, 14599745, 20439643, 29199490, 40879286, 58398980, 81758572, 102198215, 204396430, 408792860]

約数ペア:

[(1, 408792860), (2, 204396430), (4, 102198215), (5, 81758572), (7, 58398980), (10, 40879286), (14, 29199490), (20, 20439643), (28, 14599745), (35, 11679796), (70, 5839898), (140, 2919949)]