389125625

素因数分解:

$5^4\times 7^1\times {\mathrm{29}}^1\times {\mathrm{3067}}^1$

素因数の和:3123

約数の個数: 40

約数和(自身を含む): 575065920

約数和(自身を除く): 185940295

約数列:

[1, 5, 7, 25, 29, 35, 125, 145, 175, 203, 625, 725, 875, 1015, 3067, 3625, 4375, 5075, 15335, 18125, 21469, 25375, 76675, 88943, 107345, 126875, 383375, 444715, 536725, 622601, 1916875, 2223575, 2683625, 3113005, 11117875, 13418125, 15565025, 55589375, 77825125, 389125625]

約数ペア:

[(1, 389125625), (5, 77825125), (7, 55589375), (25, 15565025), (29, 13418125), (35, 11117875), (125, 3113005), (145, 2683625), (175, 2223575), (203, 1916875), (625, 622601), (725, 536725), (875, 444715), (1015, 383375), (3067, 126875), (3625, 107345), (4375, 88943), (5075, 76675), (15335, 25375), (18125, 21469)]