980500

素因数分解:

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

素因数の和:109

約数の個数: 48

約数和(自身を含む): 2240784

約数和(自身を除く): 1260284

約数列:

[1, 2, 4, 5, 10, 20, 25, 37, 50, 53, 74, 100, 106, 125, 148, 185, 212, 250, 265, 370, 500, 530, 740, 925, 1060, 1325, 1850, 1961, 2650, 3700, 3922, 4625, 5300, 6625, 7844, 9250, 9805, 13250, 18500, 19610, 26500, 39220, 49025, 98050, 196100, 245125, 490250, 980500]

約数ペア:

[(1, 980500), (2, 490250), (4, 245125), (5, 196100), (10, 98050), (20, 49025), (25, 39220), (37, 26500), (50, 19610), (53, 18500), (74, 13250), (100, 9805), (106, 9250), (125, 7844), (148, 6625), (185, 5300), (212, 4625), (250, 3922), (265, 3700), (370, 2650), (500, 1961), (530, 1850), (740, 1325), (925, 1060)]