55801100

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{683}}^1$

素因数の和:759

約数の個数: 72

約数和(自身を含む): 130616640

約数和(自身を除く): 74815540

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 43, 50, 76, 86, 95, 100, 172, 190, 215, 380, 430, 475, 683, 817, 860, 950, 1075, 1366, 1634, 1900, 2150, 2732, 3268, 3415, 4085, 4300, 6830, 8170, 12977, 13660, 16340, 17075, 20425, 25954, 29369, 34150, 40850, 51908, 58738, 64885, 68300, 81700, 117476, 129770, 146845, 259540, 293690, 324425, 558011, 587380, 648850, 734225, 1116022, 1297700, 1468450, 2232044, 2790055, 2936900, 5580110, 11160220, 13950275, 27900550, 55801100]

約数ペア:

[(1, 55801100), (2, 27900550), (4, 13950275), (5, 11160220), (10, 5580110), (19, 2936900), (20, 2790055), (25, 2232044), (38, 1468450), (43, 1297700), (50, 1116022), (76, 734225), (86, 648850), (95, 587380), (100, 558011), (172, 324425), (190, 293690), (215, 259540), (380, 146845), (430, 129770), (475, 117476), (683, 81700), (817, 68300), (860, 64885), (950, 58738), (1075, 51908), (1366, 40850), (1634, 34150), (1900, 29369), (2150, 25954), (2732, 20425), (3268, 17075), (3415, 16340), (4085, 13660), (4300, 12977), (6830, 8170)]