213601520

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{242729}}^1$

素因数の和:242753

約数の個数: 40

約数和(自身を含む): 541773360

約数和(自身を除く): 328171840

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 242729, 485458, 970916, 1213645, 1941832, 2427290, 2670019, 3883664, 4854580, 5340038, 9709160, 10680076, 13350095, 19418320, 21360152, 26700190, 42720304, 53400380, 106800760, 213601520]

約数ペア:

[(1, 213601520), (2, 106800760), (4, 53400380), (5, 42720304), (8, 26700190), (10, 21360152), (11, 19418320), (16, 13350095), (20, 10680076), (22, 9709160), (40, 5340038), (44, 4854580), (55, 3883664), (80, 2670019), (88, 2427290), (110, 1941832), (176, 1213645), (220, 970916), (440, 485458), (880, 242729)]