478721920

素因数分解:

$2^7\times 5^1\times {\mathrm{748003}}^1$

素因数の和:748022

約数の個数: 32

約数和(自身を含む): 1144446120

約数和(自身を除く): 665724200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 748003, 1496006, 2992012, 3740015, 5984024, 7480030, 11968048, 14960060, 23936096, 29920120, 47872192, 59840240, 95744384, 119680480, 239360960, 478721920]

約数ペア:

[(1, 478721920), (2, 239360960), (4, 119680480), (5, 95744384), (8, 59840240), (10, 47872192), (16, 29920120), (20, 23936096), (32, 14960060), (40, 11968048), (64, 7480030), (80, 5984024), (128, 3740015), (160, 2992012), (320, 1496006), (640, 748003)]