4997000

素因数分解:

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

素因数の和:303

約数の個数: 64

約数和(自身を含む): 12355200

約数和(自身を除く): 7358200

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 50, 76, 95, 100, 125, 152, 190, 200, 250, 263, 380, 475, 500, 526, 760, 950, 1000, 1052, 1315, 1900, 2104, 2375, 2630, 3800, 4750, 4997, 5260, 6575, 9500, 9994, 10520, 13150, 19000, 19988, 24985, 26300, 32875, 39976, 49970, 52600, 65750, 99940, 124925, 131500, 199880, 249850, 263000, 499700, 624625, 999400, 1249250, 2498500, 4997000]

約数ペア:

[(1, 4997000), (2, 2498500), (4, 1249250), (5, 999400), (8, 624625), (10, 499700), (19, 263000), (20, 249850), (25, 199880), (38, 131500), (40, 124925), (50, 99940), (76, 65750), (95, 52600), (100, 49970), (125, 39976), (152, 32875), (190, 26300), (200, 24985), (250, 19988), (263, 19000), (380, 13150), (475, 10520), (500, 9994), (526, 9500), (760, 6575), (950, 5260), (1000, 4997), (1052, 4750), (1315, 3800), (1900, 2630), (2104, 2375)]