1809228367180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{78186187}}^1$

素因数の和:78186298

約数の個数: 48

約数和(自身を含む): 4137613068960

約数和(自身を除く): 2328384701780

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 89, 130, 178, 260, 356, 445, 890, 1157, 1780, 2314, 4628, 5785, 11570, 23140, 78186187, 156372374, 312744748, 390930935, 781861870, 1016420431, 1563723740, 2032840862, 4065681724, 5082102155, 6958570643, 10164204310, 13917141286, 20328408620, 27834282572, 34792853215, 69585706430, 90461418359, 139171412860, 180922836718, 361845673436, 452307091795, 904614183590, 1809228367180]

約数ペア:

[(1, 1809228367180), (2, 904614183590), (4, 452307091795), (5, 361845673436), (10, 180922836718), (13, 139171412860), (20, 90461418359), (26, 69585706430), (52, 34792853215), (65, 27834282572), (89, 20328408620), (130, 13917141286), (178, 10164204310), (260, 6958570643), (356, 5082102155), (445, 4065681724), (890, 2032840862), (1157, 1563723740), (1780, 1016420431), (2314, 781861870), (4628, 390930935), (5785, 312744748), (11570, 156372374), (23140, 78186187)]