999400

素因数分解:

$2^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{263}}^1$

素因数の和:298

約数の個数: 48

約数和(自身を含む): 2455200

約数和(自身を除く): 1455800

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 50, 76, 95, 100, 152, 190, 200, 263, 380, 475, 526, 760, 950, 1052, 1315, 1900, 2104, 2630, 3800, 4997, 5260, 6575, 9994, 10520, 13150, 19988, 24985, 26300, 39976, 49970, 52600, 99940, 124925, 199880, 249850, 499700, 999400]

約数ペア:

[(1, 999400), (2, 499700), (4, 249850), (5, 199880), (8, 124925), (10, 99940), (19, 52600), (20, 49970), (25, 39976), (38, 26300), (40, 24985), (50, 19988), (76, 13150), (95, 10520), (100, 9994), (152, 6575), (190, 5260), (200, 4997), (263, 3800), (380, 2630), (475, 2104), (526, 1900), (760, 1315), (950, 1052)]