449750320

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{137119}}^1$

素因数の和:137173

約数の個数: 40

約数和(自身を含む): 1071181440

約数和(自身を除く): 621431120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 137119, 274238, 548476, 685595, 1096952, 1371190, 2193904, 2742380, 5484760, 5621879, 10969520, 11243758, 22487516, 28109395, 44975032, 56218790, 89950064, 112437580, 224875160, 449750320]

約数ペア:

[(1, 449750320), (2, 224875160), (4, 112437580), (5, 89950064), (8, 56218790), (10, 44975032), (16, 28109395), (20, 22487516), (40, 11243758), (41, 10969520), (80, 5621879), (82, 5484760), (164, 2742380), (205, 2193904), (328, 1371190), (410, 1096952), (656, 685595), (820, 548476), (1640, 274238), (3280, 137119)]