15904900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{761}}^1$

素因数の和:805

約数の個数: 72

約数和(自身を含む): 39684960

約数和(自身を除く): 23780060

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 25, 38, 44, 50, 55, 76, 95, 100, 110, 190, 209, 220, 275, 380, 418, 475, 550, 761, 836, 950, 1045, 1100, 1522, 1900, 2090, 3044, 3805, 4180, 5225, 7610, 8371, 10450, 14459, 15220, 16742, 19025, 20900, 28918, 33484, 38050, 41855, 57836, 72295, 76100, 83710, 144590, 159049, 167420, 209275, 289180, 318098, 361475, 418550, 636196, 722950, 795245, 837100, 1445900, 1590490, 3180980, 3976225, 7952450, 15904900]

約数ペア:

[(1, 15904900), (2, 7952450), (4, 3976225), (5, 3180980), (10, 1590490), (11, 1445900), (19, 837100), (20, 795245), (22, 722950), (25, 636196), (38, 418550), (44, 361475), (50, 318098), (55, 289180), (76, 209275), (95, 167420), (100, 159049), (110, 144590), (190, 83710), (209, 76100), (220, 72295), (275, 57836), (380, 41855), (418, 38050), (475, 33484), (550, 28918), (761, 20900), (836, 19025), (950, 16742), (1045, 15220), (1100, 14459), (1522, 10450), (1900, 8371), (2090, 7610), (3044, 5225), (3805, 4180)]