263825720

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{383}}^1\times {\mathrm{1013}}^1$

素因数の和:1424

約数の個数: 64

約数和(自身を含む): 630789120

約数和(自身を除く): 366963400

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 383, 680, 766, 1013, 1532, 1915, 2026, 3064, 3830, 4052, 5065, 6511, 7660, 8104, 10130, 13022, 15320, 17221, 20260, 26044, 32555, 34442, 40520, 52088, 65110, 68884, 86105, 130220, 137768, 172210, 260440, 344420, 387979, 688840, 775958, 1551916, 1939895, 3103832, 3879790, 6595643, 7759580, 13191286, 15519160, 26382572, 32978215, 52765144, 65956430, 131912860, 263825720]

約数ペア:

[(1, 263825720), (2, 131912860), (4, 65956430), (5, 52765144), (8, 32978215), (10, 26382572), (17, 15519160), (20, 13191286), (34, 7759580), (40, 6595643), (68, 3879790), (85, 3103832), (136, 1939895), (170, 1551916), (340, 775958), (383, 688840), (680, 387979), (766, 344420), (1013, 260440), (1532, 172210), (1915, 137768), (2026, 130220), (3064, 86105), (3830, 68884), (4052, 65110), (5065, 52088), (6511, 40520), (7660, 34442), (8104, 32555), (10130, 26044), (13022, 20260), (15320, 17221)]