71172380

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{277}}^1\times {\mathrm{443}}^1$

素因数の和:758

約数の個数: 48

約数和(自身を含む): 155524320

約数和(自身を除く): 84351940

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 277, 290, 443, 554, 580, 886, 1108, 1385, 1772, 2215, 2770, 4430, 5540, 8033, 8860, 12847, 16066, 25694, 32132, 40165, 51388, 64235, 80330, 122711, 128470, 160660, 245422, 256940, 490844, 613555, 1227110, 2454220, 3558619, 7117238, 14234476, 17793095, 35586190, 71172380]

約数ペア:

[(1, 71172380), (2, 35586190), (4, 17793095), (5, 14234476), (10, 7117238), (20, 3558619), (29, 2454220), (58, 1227110), (116, 613555), (145, 490844), (277, 256940), (290, 245422), (443, 160660), (554, 128470), (580, 122711), (886, 80330), (1108, 64235), (1385, 51388), (1772, 40165), (2215, 32132), (2770, 25694), (4430, 16066), (5540, 12847), (8033, 8860)]