11984420

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{1747}}^1$

素因数の和:1777

約数の個数: 48

約数和(自身を含む): 29366400

約数和(自身を除く): 17381980

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1372, 1715, 1747, 3430, 3494, 6860, 6988, 8735, 12229, 17470, 24458, 34940, 48916, 61145, 85603, 122290, 171206, 244580, 342412, 428015, 599221, 856030, 1198442, 1712060, 2396884, 2996105, 5992210, 11984420]

約数ペア:

[(1, 11984420), (2, 5992210), (4, 2996105), (5, 2396884), (7, 1712060), (10, 1198442), (14, 856030), (20, 599221), (28, 428015), (35, 342412), (49, 244580), (70, 171206), (98, 122290), (140, 85603), (196, 61145), (245, 48916), (343, 34940), (490, 24458), (686, 17470), (980, 12229), (1372, 8735), (1715, 6988), (1747, 6860), (3430, 3494)]