211317400

素因数分解:

$2^3\times 5^2\times 7^2\times {\mathrm{21563}}^1$

素因数の和:21593

約数の個数: 72

約数和(自身を含む): 571553820

約数和(自身を除く): 360236420

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 49, 50, 56, 70, 98, 100, 140, 175, 196, 200, 245, 280, 350, 392, 490, 700, 980, 1225, 1400, 1960, 2450, 4900, 9800, 21563, 43126, 86252, 107815, 150941, 172504, 215630, 301882, 431260, 539075, 603764, 754705, 862520, 1056587, 1078150, 1207528, 1509410, 2113174, 2156300, 3018820, 3773525, 4226348, 4312600, 5282935, 6037640, 7547050, 8452696, 10565870, 15094100, 21131740, 26414675, 30188200, 42263480, 52829350, 105658700, 211317400]

約数ペア:

[(1, 211317400), (2, 105658700), (4, 52829350), (5, 42263480), (7, 30188200), (8, 26414675), (10, 21131740), (14, 15094100), (20, 10565870), (25, 8452696), (28, 7547050), (35, 6037640), (40, 5282935), (49, 4312600), (50, 4226348), (56, 3773525), (70, 3018820), (98, 2156300), (100, 2113174), (140, 1509410), (175, 1207528), (196, 1078150), (200, 1056587), (245, 862520), (280, 754705), (350, 603764), (392, 539075), (490, 431260), (700, 301882), (980, 215630), (1225, 172504), (1400, 150941), (1960, 107815), (2450, 86252), (4900, 43126), (9800, 21563)]