400191075

素因数分解:

$3^2\times 5^2\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{907}}^1$

素因数の和:1013

約数の個数: 72

約数和(自身を含む): 750876048

約数和(自身を除く): 350684973

約数列:

[1, 3, 5, 9, 15, 25, 37, 45, 53, 75, 111, 159, 185, 225, 265, 333, 477, 555, 795, 907, 925, 1325, 1665, 1961, 2385, 2721, 2775, 3975, 4535, 5883, 8163, 8325, 9805, 11925, 13605, 17649, 22675, 29415, 33559, 40815, 48071, 49025, 68025, 88245, 100677, 144213, 147075, 167795, 204075, 240355, 302031, 432639, 441225, 503385, 721065, 838975, 1201775, 1510155, 1778627, 2163195, 2516925, 3605325, 5335881, 7550775, 8893135, 10815975, 16007643, 26679405, 44465675, 80038215, 133397025, 400191075]

約数ペア:

[(1, 400191075), (3, 133397025), (5, 80038215), (9, 44465675), (15, 26679405), (25, 16007643), (37, 10815975), (45, 8893135), (53, 7550775), (75, 5335881), (111, 3605325), (159, 2516925), (185, 2163195), (225, 1778627), (265, 1510155), (333, 1201775), (477, 838975), (555, 721065), (795, 503385), (907, 441225), (925, 432639), (1325, 302031), (1665, 240355), (1961, 204075), (2385, 167795), (2721, 147075), (2775, 144213), (3975, 100677), (4535, 88245), (5883, 68025), (8163, 49025), (8325, 48071), (9805, 40815), (11925, 33559), (13605, 29415), (17649, 22675)]