54721240

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{27919}}^1$

素因数の和:27944

約数の個数: 48

約数和(自身を含む): 143229600

約数和(自身を除く): 88508360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 27919, 55838, 111676, 139595, 195433, 223352, 279190, 390866, 558380, 781732, 977165, 1116760, 1368031, 1563464, 1954330, 2736062, 3908660, 5472124, 6840155, 7817320, 10944248, 13680310, 27360620, 54721240]

約数ペア:

[(1, 54721240), (2, 27360620), (4, 13680310), (5, 10944248), (7, 7817320), (8, 6840155), (10, 5472124), (14, 3908660), (20, 2736062), (28, 1954330), (35, 1563464), (40, 1368031), (49, 1116760), (56, 977165), (70, 781732), (98, 558380), (140, 390866), (196, 279190), (245, 223352), (280, 195433), (392, 139595), (490, 111676), (980, 55838), (1960, 27919)]