996899500

素因数分解:

$2^2\times 5^3\times {\mathrm{619}}^1\times {\mathrm{3221}}^1$

素因数の和:3859

約数の個数: 48

約数和(自身を含む): 2181422880

約数和(自身を除く): 1184523380

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500, 619, 1238, 2476, 3095, 3221, 6190, 6442, 12380, 12884, 15475, 16105, 30950, 32210, 61900, 64420, 77375, 80525, 154750, 161050, 309500, 322100, 402625, 805250, 1610500, 1993799, 3987598, 7975196, 9968995, 19937990, 39875980, 49844975, 99689950, 199379900, 249224875, 498449750, 996899500]

約数ペア:

[(1, 996899500), (2, 498449750), (4, 249224875), (5, 199379900), (10, 99689950), (20, 49844975), (25, 39875980), (50, 19937990), (100, 9968995), (125, 7975196), (250, 3987598), (500, 1993799), (619, 1610500), (1238, 805250), (2476, 402625), (3095, 322100), (3221, 309500), (6190, 161050), (6442, 154750), (12380, 80525), (12884, 77375), (15475, 64420), (16105, 61900), (30950, 32210)]