217469060

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{13309}}^1$

素因数の和:13380

約数の個数: 48

約数和(自身を含む): 491937600

約数和(自身を除く): 274468540

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 43, 76, 86, 95, 172, 190, 215, 380, 430, 817, 860, 1634, 3268, 4085, 8170, 13309, 16340, 26618, 53236, 66545, 133090, 252871, 266180, 505742, 572287, 1011484, 1144574, 1264355, 2289148, 2528710, 2861435, 5057420, 5722870, 10873453, 11445740, 21746906, 43493812, 54367265, 108734530, 217469060]

約数ペア:

[(1, 217469060), (2, 108734530), (4, 54367265), (5, 43493812), (10, 21746906), (19, 11445740), (20, 10873453), (38, 5722870), (43, 5057420), (76, 2861435), (86, 2528710), (95, 2289148), (172, 1264355), (190, 1144574), (215, 1011484), (380, 572287), (430, 505742), (817, 266180), (860, 252871), (1634, 133090), (3268, 66545), (4085, 53236), (8170, 26618), (13309, 16340)]