2876240

素因数分解:

$2^4\times 5^1\times {\mathrm{157}}^1\times {\mathrm{229}}^1$

素因数の和:399

約数の個数: 40

約数和(自身を含む): 6759240

約数和(自身を除く): 3883000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 157, 229, 314, 458, 628, 785, 916, 1145, 1256, 1570, 1832, 2290, 2512, 3140, 3664, 4580, 6280, 9160, 12560, 18320, 35953, 71906, 143812, 179765, 287624, 359530, 575248, 719060, 1438120, 2876240]

約数ペア:

[(1, 2876240), (2, 1438120), (4, 719060), (5, 575248), (8, 359530), (10, 287624), (16, 179765), (20, 143812), (40, 71906), (80, 35953), (157, 18320), (229, 12560), (314, 9160), (458, 6280), (628, 4580), (785, 3664), (916, 3140), (1145, 2512), (1256, 2290), (1570, 1832)]