157430920

素因数分解:

$2^3\times 5^1\times {\mathrm{569}}^1\times {\mathrm{6917}}^1$

素因数の和:7497

約数の個数: 32

約数和(自身を含む): 354893400

約数和(自身を除く): 197462480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 569, 1138, 2276, 2845, 4552, 5690, 6917, 11380, 13834, 22760, 27668, 34585, 55336, 69170, 138340, 276680, 3935773, 7871546, 15743092, 19678865, 31486184, 39357730, 78715460, 157430920]

約数ペア:

[(1, 157430920), (2, 78715460), (4, 39357730), (5, 31486184), (8, 19678865), (10, 15743092), (20, 7871546), (40, 3935773), (569, 276680), (1138, 138340), (2276, 69170), (2845, 55336), (4552, 34585), (5690, 27668), (6917, 22760), (11380, 13834)]