980748400

素因数分解:

$2^4\times 5^2\times {\mathrm{2451871}}^1$

素因数の和:2451889

約数の個数: 30

約数和(自身を含む): 2356248992

約数和(自身を除く): 1375500592

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 2451871, 4903742, 9807484, 12259355, 19614968, 24518710, 39229936, 49037420, 61296775, 98074840, 122593550, 196149680, 245187100, 490374200, 980748400]

約数ペア:

[(1, 980748400), (2, 490374200), (4, 245187100), (5, 196149680), (8, 122593550), (10, 98074840), (16, 61296775), (20, 49037420), (25, 39229936), (40, 24518710), (50, 19614968), (80, 12259355), (100, 9807484), (200, 4903742), (400, 2451871)]