215608360

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{490019}}^1$

素因数の和:490041

約数の個数: 32

約数和(自身を含む): 529221600

約数和(自身を除く): 313613240

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 490019, 980038, 1960076, 2450095, 3920152, 4900190, 5390209, 9800380, 10780418, 19600760, 21560836, 26951045, 43121672, 53902090, 107804180, 215608360]

約数ペア:

[(1, 215608360), (2, 107804180), (4, 53902090), (5, 43121672), (8, 26951045), (10, 21560836), (11, 19600760), (20, 10780418), (22, 9800380), (40, 5390209), (44, 4900190), (55, 3920152), (88, 2450095), (110, 1960076), (220, 980038), (440, 490019)]