328893875

素因数分解:

$5^3\times {\mathrm{101}}^1\times {\mathrm{109}}^1\times {\mathrm{239}}^1$

素因数の和:464

約数の個数: 32

約数和(自身を含む): 420076800

約数和(自身を除く): 91182925

約数列:

[1, 5, 25, 101, 109, 125, 239, 505, 545, 1195, 2525, 2725, 5975, 11009, 12625, 13625, 24139, 26051, 29875, 55045, 120695, 130255, 275225, 603475, 651275, 1376125, 2631151, 3017375, 3256375, 13155755, 65778775, 328893875]

約数ペア:

[(1, 328893875), (5, 65778775), (25, 13155755), (101, 3256375), (109, 3017375), (125, 2631151), (239, 1376125), (505, 651275), (545, 603475), (1195, 275225), (2525, 130255), (2725, 120695), (5975, 55045), (11009, 29875), (12625, 26051), (13625, 24139)]