2506500

素因数分解:

$2^2\times 3^2\times 5^3\times {\mathrm{557}}^1$

素因数の和:582

約数の個数: 72

約数和(自身を含む): 7921368

約数和(自身を除く): 5414868

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 125, 150, 180, 225, 250, 300, 375, 450, 500, 557, 750, 900, 1114, 1125, 1500, 1671, 2228, 2250, 2785, 3342, 4500, 5013, 5570, 6684, 8355, 10026, 11140, 13925, 16710, 20052, 25065, 27850, 33420, 41775, 50130, 55700, 69625, 83550, 100260, 125325, 139250, 167100, 208875, 250650, 278500, 417750, 501300, 626625, 835500, 1253250, 2506500]

約数ペア:

[(1, 2506500), (2, 1253250), (3, 835500), (4, 626625), (5, 501300), (6, 417750), (9, 278500), (10, 250650), (12, 208875), (15, 167100), (18, 139250), (20, 125325), (25, 100260), (30, 83550), (36, 69625), (45, 55700), (50, 50130), (60, 41775), (75, 33420), (90, 27850), (100, 25065), (125, 20052), (150, 16710), (180, 13925), (225, 11140), (250, 10026), (300, 8355), (375, 6684), (450, 5570), (500, 5013), (557, 4500), (750, 3342), (900, 2785), (1114, 2250), (1125, 2228), (1500, 1671)]