213346340

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{3407}}^1$

素因数の和:3548

約数の個数: 48

約数和(自身を含む): 467195904

約数和(自身を除く): 253849564

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 101, 124, 155, 202, 310, 404, 505, 620, 1010, 2020, 3131, 3407, 6262, 6814, 12524, 13628, 15655, 17035, 31310, 34070, 62620, 68140, 105617, 211234, 344107, 422468, 528085, 688214, 1056170, 1376428, 1720535, 2112340, 3441070, 6882140, 10667317, 21334634, 42669268, 53336585, 106673170, 213346340]

約数ペア:

[(1, 213346340), (2, 106673170), (4, 53336585), (5, 42669268), (10, 21334634), (20, 10667317), (31, 6882140), (62, 3441070), (101, 2112340), (124, 1720535), (155, 1376428), (202, 1056170), (310, 688214), (404, 528085), (505, 422468), (620, 344107), (1010, 211234), (2020, 105617), (3131, 68140), (3407, 62620), (6262, 34070), (6814, 31310), (12524, 17035), (13628, 15655)]