207194620

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{229}}^1\times {\mathrm{2381}}^1$

素因数の和:2638

約数の個数: 48

約数和(自身を含む): 460202400

約数和(自身を除く): 253007780

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 229, 380, 458, 916, 1145, 2290, 2381, 4351, 4580, 4762, 8702, 9524, 11905, 17404, 21755, 23810, 43510, 45239, 47620, 87020, 90478, 180956, 226195, 452390, 545249, 904780, 1090498, 2180996, 2726245, 5452490, 10359731, 10904980, 20719462, 41438924, 51798655, 103597310, 207194620]

約数ペア:

[(1, 207194620), (2, 103597310), (4, 51798655), (5, 41438924), (10, 20719462), (19, 10904980), (20, 10359731), (38, 5452490), (76, 2726245), (95, 2180996), (190, 1090498), (229, 904780), (380, 545249), (458, 452390), (916, 226195), (1145, 180956), (2290, 90478), (2381, 87020), (4351, 47620), (4580, 45239), (4762, 43510), (8702, 23810), (9524, 21755), (11905, 17404)]