294577960

素因数分解:

$2^3\times 5^1\times {\mathrm{641}}^1\times {\mathrm{11489}}^1$

素因数の和:12141

約数の個数: 32

約数和(自身を含む): 663892200

約数和(自身を除く): 369314240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 641, 1282, 2564, 3205, 5128, 6410, 11489, 12820, 22978, 25640, 45956, 57445, 91912, 114890, 229780, 459560, 7364449, 14728898, 29457796, 36822245, 58915592, 73644490, 147288980, 294577960]

約数ペア:

[(1, 294577960), (2, 147288980), (4, 73644490), (5, 58915592), (8, 36822245), (10, 29457796), (20, 14728898), (40, 7364449), (641, 459560), (1282, 229780), (2564, 114890), (3205, 91912), (5128, 57445), (6410, 45956), (11489, 25640), (12820, 22978)]