388638425

素因数分解:

$5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{76579}}^1$

素因数の和:76625

約数の個数: 24

約数和(自身を含む): 569755200

約数和(自身を除く): 181116775

約数列:

[1, 5, 7, 25, 29, 35, 145, 175, 203, 725, 1015, 5075, 76579, 382895, 536053, 1914475, 2220791, 2680265, 11103955, 13401325, 15545537, 55519775, 77727685, 388638425]

約数ペア:

[(1, 388638425), (5, 77727685), (7, 55519775), (25, 15545537), (29, 13401325), (35, 11103955), (145, 2680265), (175, 2220791), (203, 1914475), (725, 536053), (1015, 382895), (5075, 76579)]