6643000

素因数分解:

$2^3\times 5^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1$

素因数の和:114

約数の個数: 128

約数和(自身を含む): 19393920

約数和(自身を除く): 12750920

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 25, 26, 28, 35, 40, 50, 52, 56, 65, 70, 73, 91, 100, 104, 125, 130, 140, 146, 175, 182, 200, 250, 260, 280, 292, 325, 350, 364, 365, 455, 500, 511, 520, 584, 650, 700, 728, 730, 875, 910, 949, 1000, 1022, 1300, 1400, 1460, 1625, 1750, 1820, 1825, 1898, 2044, 2275, 2555, 2600, 2920, 3250, 3500, 3640, 3650, 3796, 4088, 4550, 4745, 5110, 6500, 6643, 7000, 7300, 7592, 9100, 9125, 9490, 10220, 11375, 12775, 13000, 13286, 14600, 18200, 18250, 18980, 20440, 22750, 23725, 25550, 26572, 33215, 36500, 37960, 45500, 47450, 51100, 53144, 63875, 66430, 73000, 91000, 94900, 102200, 118625, 127750, 132860, 166075, 189800, 237250, 255500, 265720, 332150, 474500, 511000, 664300, 830375, 949000, 1328600, 1660750, 3321500, 6643000]

約数ペア:

[(1, 6643000), (2, 3321500), (4, 1660750), (5, 1328600), (7, 949000), (8, 830375), (10, 664300), (13, 511000), (14, 474500), (20, 332150), (25, 265720), (26, 255500), (28, 237250), (35, 189800), (40, 166075), (50, 132860), (52, 127750), (56, 118625), (65, 102200), (70, 94900), (73, 91000), (91, 73000), (100, 66430), (104, 63875), (125, 53144), (130, 51100), (140, 47450), (146, 45500), (175, 37960), (182, 36500), (200, 33215), (250, 26572), (260, 25550), (280, 23725), (292, 22750), (325, 20440), (350, 18980), (364, 18250), (365, 18200), (455, 14600), (500, 13286), (511, 13000), (520, 12775), (584, 11375), (650, 10220), (700, 9490), (728, 9125), (730, 9100), (875, 7592), (910, 7300), (949, 7000), (1000, 6643), (1022, 6500), (1300, 5110), (1400, 4745), (1460, 4550), (1625, 4088), (1750, 3796), (1820, 3650), (1825, 3640), (1898, 3500), (2044, 3250), (2275, 2920), (2555, 2600)]