917782720

素因数分解:

$2^6\times 5^1\times {\mathrm{29}}^1\times {\mathrm{98899}}^1$

素因数の和:98945

約数の個数: 56

約数和(自身を含む): 2260854000

約数和(自身を除く): 1343071280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 64, 80, 116, 145, 160, 232, 290, 320, 464, 580, 928, 1160, 1856, 2320, 4640, 9280, 98899, 197798, 395596, 494495, 791192, 988990, 1582384, 1977980, 2868071, 3164768, 3955960, 5736142, 6329536, 7911920, 11472284, 14340355, 15823840, 22944568, 28680710, 31647680, 45889136, 57361420, 91778272, 114722840, 183556544, 229445680, 458891360, 917782720]

約数ペア:

[(1, 917782720), (2, 458891360), (4, 229445680), (5, 183556544), (8, 114722840), (10, 91778272), (16, 57361420), (20, 45889136), (29, 31647680), (32, 28680710), (40, 22944568), (58, 15823840), (64, 14340355), (80, 11472284), (116, 7911920), (145, 6329536), (160, 5736142), (232, 3955960), (290, 3164768), (320, 2868071), (464, 1977980), (580, 1582384), (928, 988990), (1160, 791192), (1856, 494495), (2320, 395596), (4640, 197798), (9280, 98899)]