7129400

素因数分解:

$2^3\times 5^2\times {\mathrm{43}}^1\times {\mathrm{829}}^1$

素因数の和:888

約数の個数: 48

約数和(自身を含む): 16981800

約数和(自身を除く): 9852400

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 43, 50, 86, 100, 172, 200, 215, 344, 430, 829, 860, 1075, 1658, 1720, 2150, 3316, 4145, 4300, 6632, 8290, 8600, 16580, 20725, 33160, 35647, 41450, 71294, 82900, 142588, 165800, 178235, 285176, 356470, 712940, 891175, 1425880, 1782350, 3564700, 7129400]

約数ペア:

[(1, 7129400), (2, 3564700), (4, 1782350), (5, 1425880), (8, 891175), (10, 712940), (20, 356470), (25, 285176), (40, 178235), (43, 165800), (50, 142588), (86, 82900), (100, 71294), (172, 41450), (200, 35647), (215, 33160), (344, 20725), (430, 16580), (829, 8600), (860, 8290), (1075, 6632), (1658, 4300), (1720, 4145), (2150, 3316)]