1939779740

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{30977}}^1$

素因数の和:31118

約数の個数: 48

約数和(自身を含む): 4246712064

約数和(自身を除く): 2306932324

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 101, 124, 155, 202, 310, 404, 505, 620, 1010, 2020, 3131, 6262, 12524, 15655, 30977, 31310, 61954, 62620, 123908, 154885, 309770, 619540, 960287, 1920574, 3128677, 3841148, 4801435, 6257354, 9602870, 12514708, 15643385, 19205740, 31286770, 62573540, 96988987, 193977974, 387955948, 484944935, 969889870, 1939779740]

約数ペア:

[(1, 1939779740), (2, 969889870), (4, 484944935), (5, 387955948), (10, 193977974), (20, 96988987), (31, 62573540), (62, 31286770), (101, 19205740), (124, 15643385), (155, 12514708), (202, 9602870), (310, 6257354), (404, 4801435), (505, 3841148), (620, 3128677), (1010, 1920574), (2020, 960287), (3131, 619540), (6262, 309770), (12524, 154885), (15655, 123908), (30977, 62620), (31310, 61954)]