138623620

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{6883}}^1$

素因数の和:6964

約数の個数: 48

約数和(自身を含む): 312258240

約数和(自身を除く): 173634620

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 53, 76, 95, 106, 190, 212, 265, 380, 530, 1007, 1060, 2014, 4028, 5035, 6883, 10070, 13766, 20140, 27532, 34415, 68830, 130777, 137660, 261554, 364799, 523108, 653885, 729598, 1307770, 1459196, 1823995, 2615540, 3647990, 6931181, 7295980, 13862362, 27724724, 34655905, 69311810, 138623620]

約数ペア:

[(1, 138623620), (2, 69311810), (4, 34655905), (5, 27724724), (10, 13862362), (19, 7295980), (20, 6931181), (38, 3647990), (53, 2615540), (76, 1823995), (95, 1459196), (106, 1307770), (190, 729598), (212, 653885), (265, 523108), (380, 364799), (530, 261554), (1007, 137660), (1060, 130777), (2014, 68830), (4028, 34415), (5035, 27532), (6883, 20140), (10070, 13766)]