220252550

素因数分解:

$2^1\times 5^2\times 7^2\times {\mathrm{89899}}^1$

素因数の和:89925

約数の個数: 36

約数和(自身を含む): 476559900

約数和(自身を除く): 256307350

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 49, 50, 70, 98, 175, 245, 350, 490, 1225, 2450, 89899, 179798, 449495, 629293, 898990, 1258586, 2247475, 3146465, 4405051, 4494950, 6292930, 8810102, 15732325, 22025255, 31464650, 44050510, 110126275, 220252550]

約数ペア:

[(1, 220252550), (2, 110126275), (5, 44050510), (7, 31464650), (10, 22025255), (14, 15732325), (25, 8810102), (35, 6292930), (49, 4494950), (50, 4405051), (70, 3146465), (98, 2247475), (175, 1258586), (245, 898990), (350, 629293), (490, 449495), (1225, 179798), (2450, 89899)]