221220325

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{20249}}^1$

素因数の和:20301

約数の個数: 24

約数和(自身を含む): 301320000

約数和(自身を除く): 80099675

約数列:

[1, 5, 19, 23, 25, 95, 115, 437, 475, 575, 2185, 10925, 20249, 101245, 384731, 465727, 506225, 1923655, 2328635, 8848813, 9618275, 11643175, 44244065, 221220325]

約数ペア:

[(1, 221220325), (5, 44244065), (19, 11643175), (23, 9618275), (25, 8848813), (95, 2328635), (115, 1923655), (437, 506225), (475, 465727), (575, 384731), (2185, 101245), (10925, 20249)]