198717680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{4861}}^1$

素因数の和:4954

約数の個数: 80

約数和(自身を含む): 535364544

約数和(自身を除く): 336646864

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 73, 80, 112, 140, 146, 280, 292, 365, 511, 560, 584, 730, 1022, 1168, 1460, 2044, 2555, 2920, 4088, 4861, 5110, 5840, 8176, 9722, 10220, 19444, 20440, 24305, 34027, 38888, 40880, 48610, 68054, 77776, 97220, 136108, 170135, 194440, 272216, 340270, 354853, 388880, 544432, 680540, 709706, 1361080, 1419412, 1774265, 2483971, 2722160, 2838824, 3548530, 4967942, 5677648, 7097060, 9935884, 12419855, 14194120, 19871768, 24839710, 28388240, 39743536, 49679420, 99358840, 198717680]

約数ペア:

[(1, 198717680), (2, 99358840), (4, 49679420), (5, 39743536), (7, 28388240), (8, 24839710), (10, 19871768), (14, 14194120), (16, 12419855), (20, 9935884), (28, 7097060), (35, 5677648), (40, 4967942), (56, 3548530), (70, 2838824), (73, 2722160), (80, 2483971), (112, 1774265), (140, 1419412), (146, 1361080), (280, 709706), (292, 680540), (365, 544432), (511, 388880), (560, 354853), (584, 340270), (730, 272216), (1022, 194440), (1168, 170135), (1460, 136108), (2044, 97220), (2555, 77776), (2920, 68054), (4088, 48610), (4861, 40880), (5110, 38888), (5840, 34027), (8176, 24305), (9722, 20440), (10220, 19444)]