218884960

素因数分解:

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

素因数の和:27948

約数の個数: 72

約数和(自身を含む): 601564320

約数和(自身を除く): 382679360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3920, 7840, 27919, 55838, 111676, 139595, 195433, 223352, 279190, 390866, 446704, 558380, 781732, 893408, 977165, 1116760, 1368031, 1563464, 1954330, 2233520, 2736062, 3126928, 3908660, 4467040, 5472124, 6253856, 6840155, 7817320, 10944248, 13680310, 15634640, 21888496, 27360620, 31269280, 43776992, 54721240, 109442480, 218884960]

約数ペア:

[(1, 218884960), (2, 109442480), (4, 54721240), (5, 43776992), (7, 31269280), (8, 27360620), (10, 21888496), (14, 15634640), (16, 13680310), (20, 10944248), (28, 7817320), (32, 6840155), (35, 6253856), (40, 5472124), (49, 4467040), (56, 3908660), (70, 3126928), (80, 2736062), (98, 2233520), (112, 1954330), (140, 1563464), (160, 1368031), (196, 1116760), (224, 977165), (245, 893408), (280, 781732), (392, 558380), (490, 446704), (560, 390866), (784, 279190), (980, 223352), (1120, 195433), (1568, 139595), (1960, 111676), (3920, 55838), (7840, 27919)]