28088270

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{431}}^1$

素因数の和:478

約数の個数: 64

約数和(自身を含む): 62208000

約数和(自身を除く): 34119730

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 49, 70, 95, 98, 133, 190, 245, 266, 343, 431, 490, 665, 686, 862, 931, 1330, 1715, 1862, 2155, 3017, 3430, 4310, 4655, 6034, 6517, 8189, 9310, 13034, 15085, 16378, 21119, 30170, 32585, 40945, 42238, 57323, 65170, 81890, 105595, 114646, 147833, 211190, 286615, 295666, 401261, 573230, 739165, 802522, 1478330, 2006305, 2808827, 4012610, 5617654, 14044135, 28088270]

約数ペア:

[(1, 28088270), (2, 14044135), (5, 5617654), (7, 4012610), (10, 2808827), (14, 2006305), (19, 1478330), (35, 802522), (38, 739165), (49, 573230), (70, 401261), (95, 295666), (98, 286615), (133, 211190), (190, 147833), (245, 114646), (266, 105595), (343, 81890), (431, 65170), (490, 57323), (665, 42238), (686, 40945), (862, 32585), (931, 30170), (1330, 21119), (1715, 16378), (1862, 15085), (2155, 13034), (3017, 9310), (3430, 8189), (4310, 6517), (4655, 6034)]