26911780

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{3923}}^1$

素因数の和:3953

約数の個数: 48

約数和(自身を含む): 65923200

約数和(自身を除く): 39011420

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, 3430, 3923, 6860, 7846, 15692, 19615, 27461, 39230, 54922, 78460, 109844, 137305, 192227, 274610, 384454, 549220, 768908, 961135, 1345589, 1922270, 2691178, 3844540, 5382356, 6727945, 13455890, 26911780]

約数ペア:

[(1, 26911780), (2, 13455890), (4, 6727945), (5, 5382356), (7, 3844540), (10, 2691178), (14, 1922270), (20, 1345589), (28, 961135), (35, 768908), (49, 549220), (70, 384454), (98, 274610), (140, 192227), (196, 137305), (245, 109844), (343, 78460), (490, 54922), (686, 39230), (980, 27461), (1372, 19615), (1715, 15692), (3430, 7846), (3923, 6860)]