180801740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{397}}^1\times {\mathrm{3253}}^1$

素因数の和:3666

約数の個数: 48

約数和(自身を含む): 435150912

約数和(自身を除く): 254349172

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 397, 794, 1588, 1985, 2779, 3253, 3970, 5558, 6506, 7940, 11116, 13012, 13895, 16265, 22771, 27790, 32530, 45542, 55580, 65060, 91084, 113855, 227710, 455420, 1291441, 2582882, 5165764, 6457205, 9040087, 12914410, 18080174, 25828820, 36160348, 45200435, 90400870, 180801740]

約数ペア:

[(1, 180801740), (2, 90400870), (4, 45200435), (5, 36160348), (7, 25828820), (10, 18080174), (14, 12914410), (20, 9040087), (28, 6457205), (35, 5165764), (70, 2582882), (140, 1291441), (397, 455420), (794, 227710), (1588, 113855), (1985, 91084), (2779, 65060), (3253, 55580), (3970, 45542), (5558, 32530), (6506, 27790), (7940, 22771), (11116, 16265), (13012, 13895)]