22181810

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{29}}^1\times {\mathrm{223}}^1$

素因数の和:280

約数の個数: 64

約数和(自身を含む): 48384000

約数和(自身を除く): 26202190

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 49, 58, 70, 98, 145, 203, 223, 245, 290, 343, 406, 446, 490, 686, 1015, 1115, 1421, 1561, 1715, 2030, 2230, 2842, 3122, 3430, 6467, 7105, 7805, 9947, 10927, 12934, 14210, 15610, 19894, 21854, 32335, 45269, 49735, 54635, 64670, 76489, 90538, 99470, 109270, 152978, 226345, 316883, 382445, 452690, 633766, 764890, 1584415, 2218181, 3168830, 4436362, 11090905, 22181810]

約数ペア:

[(1, 22181810), (2, 11090905), (5, 4436362), (7, 3168830), (10, 2218181), (14, 1584415), (29, 764890), (35, 633766), (49, 452690), (58, 382445), (70, 316883), (98, 226345), (145, 152978), (203, 109270), (223, 99470), (245, 90538), (290, 76489), (343, 64670), (406, 54635), (446, 49735), (490, 45269), (686, 32335), (1015, 21854), (1115, 19894), (1421, 15610), (1561, 14210), (1715, 12934), (2030, 10927), (2230, 9947), (2842, 7805), (3122, 7105), (3430, 6467)]