172802840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{617153}}^1$

素因数の和:617171

約数の個数: 32

約数和(自身を含む): 444350880

約数和(自身を除く): 271548040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 617153, 1234306, 2468612, 3085765, 4320071, 4937224, 6171530, 8640142, 12343060, 17280284, 21600355, 24686120, 34560568, 43200710, 86401420, 172802840]

約数ペア:

[(1, 172802840), (2, 86401420), (4, 43200710), (5, 34560568), (7, 24686120), (8, 21600355), (10, 17280284), (14, 12343060), (20, 8640142), (28, 6171530), (35, 4937224), (40, 4320071), (56, 3085765), (70, 2468612), (140, 1234306), (280, 617153)]