2783005225

素因数分解:

$5^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{15887}}^1$

素因数の和:15935

約数の個数: 72

約数和(自身を含む): 4716448128

約数和(自身を除く): 1933442903

約数列:

[1, 5, 7, 11, 13, 25, 35, 49, 55, 65, 77, 91, 143, 175, 245, 275, 325, 385, 455, 539, 637, 715, 1001, 1225, 1925, 2275, 2695, 3185, 3575, 5005, 7007, 13475, 15887, 15925, 25025, 35035, 79435, 111209, 174757, 175175, 206531, 397175, 556045, 778463, 873785, 1032655, 1223299, 1445717, 2271841, 2780225, 3892315, 4368925, 5163275, 6116495, 7228585, 8563093, 10120019, 11359205, 15902887, 19461575, 30582475, 36142925, 42815465, 50600095, 56796025, 79514435, 111320209, 214077325, 253000475, 397572175, 556601045, 2783005225]

約数ペア:

[(1, 2783005225), (5, 556601045), (7, 397572175), (11, 253000475), (13, 214077325), (25, 111320209), (35, 79514435), (49, 56796025), (55, 50600095), (65, 42815465), (77, 36142925), (91, 30582475), (143, 19461575), (175, 15902887), (245, 11359205), (275, 10120019), (325, 8563093), (385, 7228585), (455, 6116495), (539, 5163275), (637, 4368925), (715, 3892315), (1001, 2780225), (1225, 2271841), (1925, 1445717), (2275, 1223299), (2695, 1032655), (3185, 873785), (3575, 778463), (5005, 556045), (7007, 397175), (13475, 206531), (15887, 175175), (15925, 174757), (25025, 111209), (35035, 79435)]