72068900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{457}}^1$

素因数の和:573

約数の個数: 72

約数和(自身を含む): 166968480

約数和(自身を除く): 94899580

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 83, 95, 100, 166, 190, 332, 380, 415, 457, 475, 830, 914, 950, 1577, 1660, 1828, 1900, 2075, 2285, 3154, 4150, 4570, 6308, 7885, 8300, 8683, 9140, 11425, 15770, 17366, 22850, 31540, 34732, 37931, 39425, 43415, 45700, 75862, 78850, 86830, 151724, 157700, 173660, 189655, 217075, 379310, 434150, 720689, 758620, 868300, 948275, 1441378, 1896550, 2882756, 3603445, 3793100, 7206890, 14413780, 18017225, 36034450, 72068900]

約数ペア:

[(1, 72068900), (2, 36034450), (4, 18017225), (5, 14413780), (10, 7206890), (19, 3793100), (20, 3603445), (25, 2882756), (38, 1896550), (50, 1441378), (76, 948275), (83, 868300), (95, 758620), (100, 720689), (166, 434150), (190, 379310), (332, 217075), (380, 189655), (415, 173660), (457, 157700), (475, 151724), (830, 86830), (914, 78850), (950, 75862), (1577, 45700), (1660, 43415), (1828, 39425), (1900, 37931), (2075, 34732), (2285, 31540), (3154, 22850), (4150, 17366), (4570, 15770), (6308, 11425), (7885, 9140), (8300, 8683)]