2212840

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{1129}}^1$

素因数の和:1154

約数の個数: 48

約数和(自身を含む): 5796900

約数和(自身を除く): 3584060

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1129, 1960, 2258, 4516, 5645, 7903, 9032, 11290, 15806, 22580, 31612, 39515, 45160, 55321, 63224, 79030, 110642, 158060, 221284, 276605, 316120, 442568, 553210, 1106420, 2212840]

約数ペア:

[(1, 2212840), (2, 1106420), (4, 553210), (5, 442568), (7, 316120), (8, 276605), (10, 221284), (14, 158060), (20, 110642), (28, 79030), (35, 63224), (40, 55321), (49, 45160), (56, 39515), (70, 31612), (98, 22580), (140, 15806), (196, 11290), (245, 9032), (280, 7903), (392, 5645), (490, 4516), (980, 2258), (1129, 1960)]