280175170

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1583}}^1\times {\mathrm{1609}}^1$

素因数の和:3210

約数の個数: 32

約数和(自身を含む): 550851840

約数和(自身を除く): 270676670

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 1583, 1609, 3166, 3218, 7915, 8045, 15830, 16090, 17413, 17699, 34826, 35398, 87065, 88495, 174130, 176990, 2547047, 5094094, 12735235, 25470470, 28017517, 56035034, 140087585, 280175170]

約数ペア:

[(1, 280175170), (2, 140087585), (5, 56035034), (10, 28017517), (11, 25470470), (22, 12735235), (55, 5094094), (110, 2547047), (1583, 176990), (1609, 174130), (3166, 88495), (3218, 87065), (7915, 35398), (8045, 34826), (15830, 17699), (16090, 17413)]