399925440

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{138863}}^1$

素因数の和:138886

約数の個数: 84

約数和(自身を含む): 1375586784

約数和(自身を除く): 975661344

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 144, 160, 180, 192, 240, 288, 320, 360, 480, 576, 720, 960, 1440, 2880, 138863, 277726, 416589, 555452, 694315, 833178, 1110904, 1249767, 1388630, 1666356, 2082945, 2221808, 2499534, 2777260, 3332712, 4165890, 4443616, 4999068, 5554520, 6248835, 6665424, 8331780, 8887232, 9998136, 11109040, 12497670, 13330848, 16663560, 19996272, 22218080, 24995340, 26661696, 33327120, 39992544, 44436160, 49990680, 66654240, 79985088, 99981360, 133308480, 199962720, 399925440]

約数ペア:

[(1, 399925440), (2, 199962720), (3, 133308480), (4, 99981360), (5, 79985088), (6, 66654240), (8, 49990680), (9, 44436160), (10, 39992544), (12, 33327120), (15, 26661696), (16, 24995340), (18, 22218080), (20, 19996272), (24, 16663560), (30, 13330848), (32, 12497670), (36, 11109040), (40, 9998136), (45, 8887232), (48, 8331780), (60, 6665424), (64, 6248835), (72, 5554520), (80, 4999068), (90, 4443616), (96, 4165890), (120, 3332712), (144, 2777260), (160, 2499534), (180, 2221808), (192, 2082945), (240, 1666356), (288, 1388630), (320, 1249767), (360, 1110904), (480, 833178), (576, 694315), (720, 555452), (960, 416589), (1440, 277726), (2880, 138863)]