1821400

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{1301}}^1$

素因数の和:1324

約数の個数: 48

約数和(自身を含む): 4843440

約数和(自身を除く): 3022040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 140, 175, 200, 280, 350, 700, 1301, 1400, 2602, 5204, 6505, 9107, 10408, 13010, 18214, 26020, 32525, 36428, 45535, 52040, 65050, 72856, 91070, 130100, 182140, 227675, 260200, 364280, 455350, 910700, 1821400]

約数ペア:

[(1, 1821400), (2, 910700), (4, 455350), (5, 364280), (7, 260200), (8, 227675), (10, 182140), (14, 130100), (20, 91070), (25, 72856), (28, 65050), (35, 52040), (40, 45535), (50, 36428), (56, 32525), (70, 26020), (100, 18214), (140, 13010), (175, 10408), (200, 9107), (280, 6505), (350, 5204), (700, 2602), (1301, 1400)]