170872760

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{39191}}^1$

素因数の和:39311

約数の個数: 32

約数和(自身を含む): 388000800

約数和(自身を除く): 217128040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 4360, 39191, 78382, 156764, 195955, 313528, 391910, 783820, 1567640, 4271819, 8543638, 17087276, 21359095, 34174552, 42718190, 85436380, 170872760]

約数ペア:

[(1, 170872760), (2, 85436380), (4, 42718190), (5, 34174552), (8, 21359095), (10, 17087276), (20, 8543638), (40, 4271819), (109, 1567640), (218, 783820), (436, 391910), (545, 313528), (872, 195955), (1090, 156764), (2180, 78382), (4360, 39191)]