396680

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{211}}^1$

素因数の和:269

約数の個数: 32

約数和(自身を含む): 915840

約数和(自身を除く): 519160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 211, 235, 376, 422, 470, 844, 940, 1055, 1688, 1880, 2110, 4220, 8440, 9917, 19834, 39668, 49585, 79336, 99170, 198340, 396680]

約数ペア:

[(1, 396680), (2, 198340), (4, 99170), (5, 79336), (8, 49585), (10, 39668), (20, 19834), (40, 9917), (47, 8440), (94, 4220), (188, 2110), (211, 1880), (235, 1688), (376, 1055), (422, 940), (470, 844)]