2540898430

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{5185507}}^1$

素因数の和:5185528

約数の個数: 24

約数和(自身を含む): 5320331208

約数和(自身を除く): 2779432778

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 5185507, 10371014, 25927535, 36298549, 51855070, 72597098, 181492745, 254089843, 362985490, 508179686, 1270449215, 2540898430]

約数ペア:

[(1, 2540898430), (2, 1270449215), (5, 508179686), (7, 362985490), (10, 254089843), (14, 181492745), (35, 72597098), (49, 51855070), (70, 36298549), (98, 25927535), (245, 10371014), (490, 5185507)]