9150820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{401}}^1$

素因数の和:580

約数の個数: 48

約数和(自身を含む): 22151808

約数和(自身を除く): 13000988

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 163, 326, 401, 652, 802, 815, 1141, 1604, 1630, 2005, 2282, 2807, 3260, 4010, 4564, 5614, 5705, 8020, 11228, 11410, 14035, 22820, 28070, 56140, 65363, 130726, 261452, 326815, 457541, 653630, 915082, 1307260, 1830164, 2287705, 4575410, 9150820]

約数ペア:

[(1, 9150820), (2, 4575410), (4, 2287705), (5, 1830164), (7, 1307260), (10, 915082), (14, 653630), (20, 457541), (28, 326815), (35, 261452), (70, 130726), (140, 65363), (163, 56140), (326, 28070), (401, 22820), (652, 14035), (802, 11410), (815, 11228), (1141, 8020), (1604, 5705), (1630, 5614), (2005, 4564), (2282, 4010), (2807, 3260)]