127907900

素因数分解:

$2^2\times 5^2\times {\mathrm{157}}^1\times {\mathrm{8147}}^1$

素因数の和:8318

約数の個数: 36

約数和(自身を含む): 279362328

約数和(自身を除く): 151454428

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 157, 314, 628, 785, 1570, 3140, 3925, 7850, 8147, 15700, 16294, 32588, 40735, 81470, 162940, 203675, 407350, 814700, 1279079, 2558158, 5116316, 6395395, 12790790, 25581580, 31976975, 63953950, 127907900]

約数ペア:

[(1, 127907900), (2, 63953950), (4, 31976975), (5, 25581580), (10, 12790790), (20, 6395395), (25, 5116316), (50, 2558158), (100, 1279079), (157, 814700), (314, 407350), (628, 203675), (785, 162940), (1570, 81470), (3140, 40735), (3925, 32588), (7850, 16294), (8147, 15700)]