787220540

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{90071}}^1$

素因数の和:90122

約数の個数: 48

約数和(自身を含む): 1815851520

約数和(自身を除く): 1028630980

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 38, 46, 76, 92, 95, 115, 190, 230, 380, 437, 460, 874, 1748, 2185, 4370, 8740, 90071, 180142, 360284, 450355, 900710, 1711349, 1801420, 2071633, 3422698, 4143266, 6845396, 8286532, 8556745, 10358165, 17113490, 20716330, 34226980, 39361027, 41432660, 78722054, 157444108, 196805135, 393610270, 787220540]

約数ペア:

[(1, 787220540), (2, 393610270), (4, 196805135), (5, 157444108), (10, 78722054), (19, 41432660), (20, 39361027), (23, 34226980), (38, 20716330), (46, 17113490), (76, 10358165), (92, 8556745), (95, 8286532), (115, 6845396), (190, 4143266), (230, 3422698), (380, 2071633), (437, 1801420), (460, 1711349), (874, 900710), (1748, 450355), (2185, 360284), (4370, 180142), (8740, 90071)]