664100

素因数分解:

$2^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{229}}^1$

素因数の和:272

約数の個数: 36

約数和(自身を含む): 1497300

約数和(自身を除く): 833200

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 50, 58, 100, 116, 145, 229, 290, 458, 580, 725, 916, 1145, 1450, 2290, 2900, 4580, 5725, 6641, 11450, 13282, 22900, 26564, 33205, 66410, 132820, 166025, 332050, 664100]

約数ペア:

[(1, 664100), (2, 332050), (4, 166025), (5, 132820), (10, 66410), (20, 33205), (25, 26564), (29, 22900), (50, 13282), (58, 11450), (100, 6641), (116, 5725), (145, 4580), (229, 2900), (290, 2290), (458, 1450), (580, 1145), (725, 916)]