217624990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{4013}}^1$

素因数の和:4077

約数の個数: 64

約数和(自身を含む): 468192960

約数和(自身を除く): 250567970

約数列:

[1, 2, 5, 10, 11, 17, 22, 29, 34, 55, 58, 85, 110, 145, 170, 187, 290, 319, 374, 493, 638, 935, 986, 1595, 1870, 2465, 3190, 4013, 4930, 5423, 8026, 10846, 20065, 27115, 40130, 44143, 54230, 68221, 88286, 116377, 136442, 220715, 232754, 341105, 441430, 581885, 682210, 750431, 1163770, 1280147, 1500862, 1978409, 2560294, 3752155, 3956818, 6400735, 7504310, 9892045, 12801470, 19784090, 21762499, 43524998, 108812495, 217624990]

約数ペア:

[(1, 217624990), (2, 108812495), (5, 43524998), (10, 21762499), (11, 19784090), (17, 12801470), (22, 9892045), (29, 7504310), (34, 6400735), (55, 3956818), (58, 3752155), (85, 2560294), (110, 1978409), (145, 1500862), (170, 1280147), (187, 1163770), (290, 750431), (319, 682210), (374, 581885), (493, 441430), (638, 341105), (935, 232754), (986, 220715), (1595, 136442), (1870, 116377), (2465, 88286), (3190, 68221), (4013, 54230), (4930, 44143), (5423, 40130), (8026, 27115), (10846, 20065)]