177200380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{17827}}^1$

素因数の和:17914

約数の個数: 48

約数和(自身を含む): 431294976

約数和(自身を除く): 254094596

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 284, 355, 497, 710, 994, 1420, 1988, 2485, 4970, 9940, 17827, 35654, 71308, 89135, 124789, 178270, 249578, 356540, 499156, 623945, 1247890, 1265717, 2495780, 2531434, 5062868, 6328585, 8860019, 12657170, 17720038, 25314340, 35440076, 44300095, 88600190, 177200380]

約数ペア:

[(1, 177200380), (2, 88600190), (4, 44300095), (5, 35440076), (7, 25314340), (10, 17720038), (14, 12657170), (20, 8860019), (28, 6328585), (35, 5062868), (70, 2531434), (71, 2495780), (140, 1265717), (142, 1247890), (284, 623945), (355, 499156), (497, 356540), (710, 249578), (994, 178270), (1420, 124789), (1988, 89135), (2485, 71308), (4970, 35654), (9940, 17827)]