556348280

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{199}}^1\times {\mathrm{1889}}^1$

素因数の和:2136

約数の個数: 64

約数和(自身を含む): 1292760000

約数和(自身を除く): 736411720

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 199, 296, 370, 398, 740, 796, 995, 1480, 1592, 1889, 1990, 3778, 3980, 7363, 7556, 7960, 9445, 14726, 15112, 18890, 29452, 36815, 37780, 58904, 69893, 73630, 75560, 139786, 147260, 279572, 294520, 349465, 375911, 559144, 698930, 751822, 1397860, 1503644, 1879555, 2795720, 3007288, 3759110, 7518220, 13908707, 15036440, 27817414, 55634828, 69543535, 111269656, 139087070, 278174140, 556348280]

約数ペア:

[(1, 556348280), (2, 278174140), (4, 139087070), (5, 111269656), (8, 69543535), (10, 55634828), (20, 27817414), (37, 15036440), (40, 13908707), (74, 7518220), (148, 3759110), (185, 3007288), (199, 2795720), (296, 1879555), (370, 1503644), (398, 1397860), (740, 751822), (796, 698930), (995, 559144), (1480, 375911), (1592, 349465), (1889, 294520), (1990, 279572), (3778, 147260), (3980, 139786), (7363, 75560), (7556, 73630), (7960, 69893), (9445, 58904), (14726, 37780), (15112, 36815), (18890, 29452)]