388995560

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{335341}}^1$

素因数の和:335381

約数の個数: 32

約数和(自身を含む): 905423400

約数和(自身を除く): 516427840

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 335341, 670682, 1341364, 1676705, 2682728, 3353410, 6706820, 9724889, 13413640, 19449778, 38899556, 48624445, 77799112, 97248890, 194497780, 388995560]

約数ペア:

[(1, 388995560), (2, 194497780), (4, 97248890), (5, 77799112), (8, 48624445), (10, 38899556), (20, 19449778), (29, 13413640), (40, 9724889), (58, 6706820), (116, 3353410), (145, 2682728), (232, 1676705), (290, 1341364), (580, 670682), (1160, 335341)]