315030920

素因数分解:

$2^3\times 5^1\times {\mathrm{1801}}^1\times {\mathrm{4373}}^1$

素因数の和:6185

約数の個数: 32

約数和(自身を含む): 709375320

約数和(自身を除く): 394344400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1801, 3602, 4373, 7204, 8746, 9005, 14408, 17492, 18010, 21865, 34984, 36020, 43730, 72040, 87460, 174920, 7875773, 15751546, 31503092, 39378865, 63006184, 78757730, 157515460, 315030920]

約数ペア:

[(1, 315030920), (2, 157515460), (4, 78757730), (5, 63006184), (8, 39378865), (10, 31503092), (20, 15751546), (40, 7875773), (1801, 174920), (3602, 87460), (4373, 72040), (7204, 43730), (8746, 36020), (9005, 34984), (14408, 21865), (17492, 18010)]