400712880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{1669637}}^1$

素因数の和:1669653

約数の個数: 40

約数和(自身を含む): 1242210672

約数和(自身を除く): 841497792

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 1669637, 3339274, 5008911, 6678548, 8348185, 10017822, 13357096, 16696370, 20035644, 25044555, 26714192, 33392740, 40071288, 50089110, 66785480, 80142576, 100178220, 133570960, 200356440, 400712880]

約数ペア:

[(1, 400712880), (2, 200356440), (3, 133570960), (4, 100178220), (5, 80142576), (6, 66785480), (8, 50089110), (10, 40071288), (12, 33392740), (15, 26714192), (16, 25044555), (20, 20035644), (24, 16696370), (30, 13357096), (40, 10017822), (48, 8348185), (60, 6678548), (80, 5008911), (120, 3339274), (240, 1669637)]