199797440

素因数分解:

$2^6\times 5^1\times {\mathrm{563}}^1\times {\mathrm{1109}}^1$

素因数の和:1689

約数の個数: 56

約数和(自身を含む): 477042480

約数和(自身を除く): 277245040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 563, 1109, 1126, 2218, 2252, 2815, 4436, 4504, 5545, 5630, 8872, 9008, 11090, 11260, 17744, 18016, 22180, 22520, 35488, 36032, 44360, 45040, 70976, 88720, 90080, 177440, 180160, 354880, 624367, 1248734, 2497468, 3121835, 4994936, 6243670, 9989872, 12487340, 19979744, 24974680, 39959488, 49949360, 99898720, 199797440]

約数ペア:

[(1, 199797440), (2, 99898720), (4, 49949360), (5, 39959488), (8, 24974680), (10, 19979744), (16, 12487340), (20, 9989872), (32, 6243670), (40, 4994936), (64, 3121835), (80, 2497468), (160, 1248734), (320, 624367), (563, 354880), (1109, 180160), (1126, 177440), (2218, 90080), (2252, 88720), (2815, 70976), (4436, 45040), (4504, 44360), (5545, 36032), (5630, 35488), (8872, 22520), (9008, 22180), (11090, 18016), (11260, 17744)]