1020004825

素因数分解:

$5^2\times 7^4\times {\mathrm{16993}}^1$

素因数の和:17031

約数の個数: 30

約数和(自身を含む): 1475606014

約数和(自身を除く): 455601189

約数列:

[1, 5, 7, 25, 35, 49, 175, 245, 343, 1225, 1715, 2401, 8575, 12005, 16993, 60025, 84965, 118951, 424825, 594755, 832657, 2973775, 4163285, 5828599, 20816425, 29142995, 40800193, 145714975, 204000965, 1020004825]

約数ペア:

[(1, 1020004825), (5, 204000965), (7, 145714975), (25, 40800193), (35, 29142995), (49, 20816425), (175, 5828599), (245, 4163285), (343, 2973775), (1225, 832657), (1715, 594755), (2401, 424825), (8575, 118951), (12005, 84965), (16993, 60025)]