38859940

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{2087}}^1$

素因数の和:2129

約数の個数: 72

約数和(自身を含む): 99973440

約数和(自身を除く): 61113500

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 49, 70, 76, 95, 98, 133, 140, 190, 196, 245, 266, 380, 490, 532, 665, 931, 980, 1330, 1862, 2087, 2660, 3724, 4174, 4655, 8348, 9310, 10435, 14609, 18620, 20870, 29218, 39653, 41740, 58436, 73045, 79306, 102263, 146090, 158612, 198265, 204526, 277571, 292180, 396530, 409052, 511315, 555142, 793060, 1022630, 1110284, 1387855, 1942997, 2045260, 2775710, 3885994, 5551420, 7771988, 9714985, 19429970, 38859940]

約数ペア:

[(1, 38859940), (2, 19429970), (4, 9714985), (5, 7771988), (7, 5551420), (10, 3885994), (14, 2775710), (19, 2045260), (20, 1942997), (28, 1387855), (35, 1110284), (38, 1022630), (49, 793060), (70, 555142), (76, 511315), (95, 409052), (98, 396530), (133, 292180), (140, 277571), (190, 204526), (196, 198265), (245, 158612), (266, 146090), (380, 102263), (490, 79306), (532, 73045), (665, 58436), (931, 41740), (980, 39653), (1330, 29218), (1862, 20870), (2087, 18620), (2660, 14609), (3724, 10435), (4174, 9310), (4655, 8348)]