2220925

素因数分解:

$5^2\times 7^4\times {\mathrm{37}}^1$

素因数の和:75

約数の個数: 30

約数和(自身を含む): 3299578

約数和(自身を除く): 1078653

約数列:

[1, 5, 7, 25, 35, 37, 49, 175, 185, 245, 259, 343, 925, 1225, 1295, 1715, 1813, 2401, 6475, 8575, 9065, 12005, 12691, 45325, 60025, 63455, 88837, 317275, 444185, 2220925]

約数ペア:

[(1, 2220925), (5, 444185), (7, 317275), (25, 88837), (35, 63455), (37, 60025), (49, 45325), (175, 12691), (185, 12005), (245, 9065), (259, 8575), (343, 6475), (925, 2401), (1225, 1813), (1295, 1715)]