819098840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{2925353}}^1$

素因数の和:2925371

約数の個数: 32

約数和(自身を含む): 2106254880

約数和(自身を除く): 1287156040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 2925353, 5850706, 11701412, 14626765, 20477471, 23402824, 29253530, 40954942, 58507060, 81909884, 102387355, 117014120, 163819768, 204774710, 409549420, 819098840]

約数ペア:

[(1, 819098840), (2, 409549420), (4, 204774710), (5, 163819768), (7, 117014120), (8, 102387355), (10, 81909884), (14, 58507060), (20, 40954942), (28, 29253530), (35, 23402824), (40, 20477471), (56, 14626765), (70, 11701412), (140, 5850706), (280, 2925353)]