202138420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{12941}}^1$

素因数の和:13032

約数の個数: 48

約数和(自身を含む): 469639296

約数和(自身を除く): 267500876

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 71, 110, 142, 220, 284, 355, 710, 781, 1420, 1562, 3124, 3905, 7810, 12941, 15620, 25882, 51764, 64705, 129410, 142351, 258820, 284702, 569404, 711755, 918811, 1423510, 1837622, 2847020, 3675244, 4594055, 9188110, 10106921, 18376220, 20213842, 40427684, 50534605, 101069210, 202138420]

約数ペア:

[(1, 202138420), (2, 101069210), (4, 50534605), (5, 40427684), (10, 20213842), (11, 18376220), (20, 10106921), (22, 9188110), (44, 4594055), (55, 3675244), (71, 2847020), (110, 1837622), (142, 1423510), (220, 918811), (284, 711755), (355, 569404), (710, 284702), (781, 258820), (1420, 142351), (1562, 129410), (3124, 64705), (3905, 51764), (7810, 25882), (12941, 15620)]