1961000

素因数分解:

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

素因数の和:111

約数の個数: 64

約数和(自身を含む): 4801680

約数和(自身を除く): 2840680

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 37, 40, 50, 53, 74, 100, 106, 125, 148, 185, 200, 212, 250, 265, 296, 370, 424, 500, 530, 740, 925, 1000, 1060, 1325, 1480, 1850, 1961, 2120, 2650, 3700, 3922, 4625, 5300, 6625, 7400, 7844, 9250, 9805, 10600, 13250, 15688, 18500, 19610, 26500, 37000, 39220, 49025, 53000, 78440, 98050, 196100, 245125, 392200, 490250, 980500, 1961000]

約数ペア:

[(1, 1961000), (2, 980500), (4, 490250), (5, 392200), (8, 245125), (10, 196100), (20, 98050), (25, 78440), (37, 53000), (40, 49025), (50, 39220), (53, 37000), (74, 26500), (100, 19610), (106, 18500), (125, 15688), (148, 13250), (185, 10600), (200, 9805), (212, 9250), (250, 7844), (265, 7400), (296, 6625), (370, 5300), (424, 4625), (500, 3922), (530, 3700), (740, 2650), (925, 2120), (1000, 1961), (1060, 1850), (1325, 1480)]