199692680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{453847}}^1$

素因数の和:453869

約数の個数: 32

約数和(自身を含む): 490155840

約数和(自身を除く): 290463160

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 453847, 907694, 1815388, 2269235, 3630776, 4538470, 4992317, 9076940, 9984634, 18153880, 19969268, 24961585, 39938536, 49923170, 99846340, 199692680]

約数ペア:

[(1, 199692680), (2, 99846340), (4, 49923170), (5, 39938536), (8, 24961585), (10, 19969268), (11, 18153880), (20, 9984634), (22, 9076940), (40, 4992317), (44, 4538470), (55, 3630776), (88, 2269235), (110, 1815388), (220, 907694), (440, 453847)]