1398409810

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{252877}}^1$

素因数の和:252970

約数の個数: 32

約数和(自身を含む): 2913154560

約数和(自身を除く): 1514744750

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 79, 158, 395, 553, 790, 1106, 2765, 5530, 252877, 505754, 1264385, 1770139, 2528770, 3540278, 8850695, 17701390, 19977283, 39954566, 99886415, 139840981, 199772830, 279681962, 699204905, 1398409810]

約数ペア:

[(1, 1398409810), (2, 699204905), (5, 279681962), (7, 199772830), (10, 139840981), (14, 99886415), (35, 39954566), (70, 19977283), (79, 17701390), (158, 8850695), (395, 3540278), (553, 2528770), (790, 1770139), (1106, 1264385), (2765, 505754), (5530, 252877)]