138687280

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{59779}}^1$

素因数の和:59821

約数の個数: 40

約数和(自身を含む): 333572400

約数和(自身を除く): 194885120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 464, 580, 1160, 2320, 59779, 119558, 239116, 298895, 478232, 597790, 956464, 1195580, 1733591, 2391160, 3467182, 4782320, 6934364, 8667955, 13868728, 17335910, 27737456, 34671820, 69343640, 138687280]

約数ペア:

[(1, 138687280), (2, 69343640), (4, 34671820), (5, 27737456), (8, 17335910), (10, 13868728), (16, 8667955), (20, 6934364), (29, 4782320), (40, 3467182), (58, 2391160), (80, 1733591), (116, 1195580), (145, 956464), (232, 597790), (290, 478232), (464, 298895), (580, 239116), (1160, 119558), (2320, 59779)]