356875420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{16061}}^1$

素因数の和:16182

約数の個数: 48

約数和(自身を含む): 825715296

約数和(自身を除く): 468839876

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 101, 110, 202, 220, 404, 505, 1010, 1111, 2020, 2222, 4444, 5555, 11110, 16061, 22220, 32122, 64244, 80305, 160610, 176671, 321220, 353342, 706684, 883355, 1622161, 1766710, 3244322, 3533420, 6488644, 8110805, 16221610, 17843771, 32443220, 35687542, 71375084, 89218855, 178437710, 356875420]

約数ペア:

[(1, 356875420), (2, 178437710), (4, 89218855), (5, 71375084), (10, 35687542), (11, 32443220), (20, 17843771), (22, 16221610), (44, 8110805), (55, 6488644), (101, 3533420), (110, 3244322), (202, 1766710), (220, 1622161), (404, 883355), (505, 706684), (1010, 353342), (1111, 321220), (2020, 176671), (2222, 160610), (4444, 80305), (5555, 64244), (11110, 32122), (16061, 22220)]