207788680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{472247}}^1$

素因数の和:472269

約数の個数: 32

約数和(自身を含む): 510027840

約数和(自身を除く): 302239160

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 472247, 944494, 1888988, 2361235, 3777976, 4722470, 5194717, 9444940, 10389434, 18889880, 20778868, 25973585, 41557736, 51947170, 103894340, 207788680]

約数ペア:

[(1, 207788680), (2, 103894340), (4, 51947170), (5, 41557736), (8, 25973585), (10, 20778868), (11, 18889880), (20, 10389434), (22, 9444940), (40, 5194717), (44, 4722470), (55, 3777976), (88, 2361235), (110, 1888988), (220, 944494), (440, 472247)]