199913000

素因数分解:

$2^3\times 5^3\times 7^1\times {\mathrm{28559}}^1$

素因数の和:28587

約数の個数: 64

約数和(自身を含む): 534643200

約数和(自身を除く): 334730200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 125, 140, 175, 200, 250, 280, 350, 500, 700, 875, 1000, 1400, 1750, 3500, 7000, 28559, 57118, 114236, 142795, 199913, 228472, 285590, 399826, 571180, 713975, 799652, 999565, 1142360, 1427950, 1599304, 1999130, 2855900, 3569875, 3998260, 4997825, 5711800, 7139750, 7996520, 9995650, 14279500, 19991300, 24989125, 28559000, 39982600, 49978250, 99956500, 199913000]

約数ペア:

[(1, 199913000), (2, 99956500), (4, 49978250), (5, 39982600), (7, 28559000), (8, 24989125), (10, 19991300), (14, 14279500), (20, 9995650), (25, 7996520), (28, 7139750), (35, 5711800), (40, 4997825), (50, 3998260), (56, 3569875), (70, 2855900), (100, 1999130), (125, 1599304), (140, 1427950), (175, 1142360), (200, 999565), (250, 799652), (280, 713975), (350, 571180), (500, 399826), (700, 285590), (875, 228472), (1000, 199913), (1400, 142795), (1750, 114236), (3500, 57118), (7000, 28559)]