27972400

素因数分解:

$2^4\times 5^2\times {\mathrm{69931}}^1$

素因数の和:69949

約数の個数: 30

約数和(自身を含む): 67204652

約数和(自身を除く): 39232252

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 69931, 139862, 279724, 349655, 559448, 699310, 1118896, 1398620, 1748275, 2797240, 3496550, 5594480, 6993100, 13986200, 27972400]

約数ペア:

[(1, 27972400), (2, 13986200), (4, 6993100), (5, 5594480), (8, 3496550), (10, 2797240), (16, 1748275), (20, 1398620), (25, 1118896), (40, 699310), (50, 559448), (80, 349655), (100, 279724), (200, 139862), (400, 69931)]