217499480

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{494317}}^1$

素因数の和:494339

約数の個数: 32

約数和(自身を含む): 533863440

約数和(自身を除く): 316363960

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 494317, 988634, 1977268, 2471585, 3954536, 4943170, 5437487, 9886340, 10874974, 19772680, 21749948, 27187435, 43499896, 54374870, 108749740, 217499480]

約数ペア:

[(1, 217499480), (2, 108749740), (4, 54374870), (5, 43499896), (8, 27187435), (10, 21749948), (11, 19772680), (20, 10874974), (22, 9886340), (40, 5437487), (44, 4943170), (55, 3954536), (88, 2471585), (110, 1977268), (220, 988634), (440, 494317)]