2194940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{907}}^1$

素因数の和:938

約数の個数: 36

約数和(自身を含む): 5072088

約数和(自身を除く): 2877148

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 907, 1210, 1814, 2420, 3628, 4535, 9070, 9977, 18140, 19954, 39908, 49885, 99770, 109747, 199540, 219494, 438988, 548735, 1097470, 2194940]

約数ペア:

[(1, 2194940), (2, 1097470), (4, 548735), (5, 438988), (10, 219494), (11, 199540), (20, 109747), (22, 99770), (44, 49885), (55, 39908), (110, 19954), (121, 18140), (220, 9977), (242, 9070), (484, 4535), (605, 3628), (907, 2420), (1210, 1814)]