2017496780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{209719}}^1$

素因数の和:209778

約数の個数: 48

約数和(自身を含む): 4685983680

約数和(自身を除く): 2668486900

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 37, 52, 65, 74, 130, 148, 185, 260, 370, 481, 740, 962, 1924, 2405, 4810, 9620, 209719, 419438, 838876, 1048595, 2097190, 2726347, 4194380, 5452694, 7759603, 10905388, 13631735, 15519206, 27263470, 31038412, 38798015, 54526940, 77596030, 100874839, 155192060, 201749678, 403499356, 504374195, 1008748390, 2017496780]

約数ペア:

[(1, 2017496780), (2, 1008748390), (4, 504374195), (5, 403499356), (10, 201749678), (13, 155192060), (20, 100874839), (26, 77596030), (37, 54526940), (52, 38798015), (65, 31038412), (74, 27263470), (130, 15519206), (148, 13631735), (185, 10905388), (260, 7759603), (370, 5452694), (481, 4194380), (740, 2726347), (962, 2097190), (1924, 1048595), (2405, 838876), (4810, 419438), (9620, 209719)]