231808780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{509}}^1\times {\mathrm{3253}}^1$

素因数の和:3778

約数の個数: 48

約数和(自身を含む): 557605440

約数和(自身を除く): 325796660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 509, 1018, 2036, 2545, 3253, 3563, 5090, 6506, 7126, 10180, 13012, 14252, 16265, 17815, 22771, 32530, 35630, 45542, 65060, 71260, 91084, 113855, 227710, 455420, 1655777, 3311554, 6623108, 8278885, 11590439, 16557770, 23180878, 33115540, 46361756, 57952195, 115904390, 231808780]

約数ペア:

[(1, 231808780), (2, 115904390), (4, 57952195), (5, 46361756), (7, 33115540), (10, 23180878), (14, 16557770), (20, 11590439), (28, 8278885), (35, 6623108), (70, 3311554), (140, 1655777), (509, 455420), (1018, 227710), (2036, 113855), (2545, 91084), (3253, 71260), (3563, 65060), (5090, 45542), (6506, 35630), (7126, 32530), (10180, 22771), (13012, 17815), (14252, 16265)]