2821300

素因数分解:

$2^2\times 5^2\times {\mathrm{89}}^1\times {\mathrm{317}}^1$

素因数の和:420

約数の個数: 36

約数和(自身を含む): 6210540

約数和(自身を除く): 3389240

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 89, 100, 178, 317, 356, 445, 634, 890, 1268, 1585, 1780, 2225, 3170, 4450, 6340, 7925, 8900, 15850, 28213, 31700, 56426, 112852, 141065, 282130, 564260, 705325, 1410650, 2821300]

約数ペア:

[(1, 2821300), (2, 1410650), (4, 705325), (5, 564260), (10, 282130), (20, 141065), (25, 112852), (50, 56426), (89, 31700), (100, 28213), (178, 15850), (317, 8900), (356, 7925), (445, 6340), (634, 4450), (890, 3170), (1268, 2225), (1585, 1780)]