1438120

素因数分解:

$2^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{229}}^1$

素因数の和:397

約数の個数: 32

約数和(自身を含む): 3270600

約数和(自身を除く): 1832480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 157, 229, 314, 458, 628, 785, 916, 1145, 1256, 1570, 1832, 2290, 3140, 4580, 6280, 9160, 35953, 71906, 143812, 179765, 287624, 359530, 719060, 1438120]

約数ペア:

[(1, 1438120), (2, 719060), (4, 359530), (5, 287624), (8, 179765), (10, 143812), (20, 71906), (40, 35953), (157, 9160), (229, 6280), (314, 4580), (458, 3140), (628, 2290), (785, 1832), (916, 1570), (1145, 1256)]