199742080

素因数分解:

$2^7\times 5^1\times {\mathrm{461}}^1\times {\mathrm{677}}^1$

素因数の和:1157

約数の個数: 64

約数和(自身を含む): 479251080

約数和(自身を除く): 279509000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 461, 640, 677, 922, 1354, 1844, 2305, 2708, 3385, 3688, 4610, 5416, 6770, 7376, 9220, 10832, 13540, 14752, 18440, 21664, 27080, 29504, 36880, 43328, 54160, 59008, 73760, 86656, 108320, 147520, 216640, 295040, 312097, 433280, 624194, 1248388, 1560485, 2496776, 3120970, 4993552, 6241940, 9987104, 12483880, 19974208, 24967760, 39948416, 49935520, 99871040, 199742080]

約数ペア:

[(1, 199742080), (2, 99871040), (4, 49935520), (5, 39948416), (8, 24967760), (10, 19974208), (16, 12483880), (20, 9987104), (32, 6241940), (40, 4993552), (64, 3120970), (80, 2496776), (128, 1560485), (160, 1248388), (320, 624194), (461, 433280), (640, 312097), (677, 295040), (922, 216640), (1354, 147520), (1844, 108320), (2305, 86656), (2708, 73760), (3385, 59008), (3688, 54160), (4610, 43328), (5416, 36880), (6770, 29504), (7376, 27080), (9220, 21664), (10832, 18440), (13540, 14752)]