172814840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{392761}}^1$

素因数の和:392783

約数の個数: 32

約数和(自身を含む): 424182960

約数和(自身を除く): 251368120

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 392761, 785522, 1571044, 1963805, 3142088, 3927610, 4320371, 7855220, 8640742, 15710440, 17281484, 21601855, 34562968, 43203710, 86407420, 172814840]

約数ペア:

[(1, 172814840), (2, 86407420), (4, 43203710), (5, 34562968), (8, 21601855), (10, 17281484), (11, 15710440), (20, 8640742), (22, 7855220), (40, 4320371), (44, 3927610), (55, 3142088), (88, 1963805), (110, 1571044), (220, 785522), (440, 392761)]