155116400

素因数分解:

$2^4\times 5^2\times {\mathrm{387791}}^1$

素因数の和:387809

約数の個数: 30

約数和(自身を含む): 372668112

約数和(自身を除く): 217551712

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 387791, 775582, 1551164, 1938955, 3102328, 3877910, 6204656, 7755820, 9694775, 15511640, 19389550, 31023280, 38779100, 77558200, 155116400]

約数ペア:

[(1, 155116400), (2, 77558200), (4, 38779100), (5, 31023280), (8, 19389550), (10, 15511640), (16, 9694775), (20, 7755820), (25, 6204656), (40, 3877910), (50, 3102328), (80, 1938955), (100, 1551164), (200, 775582), (400, 387791)]