494884120

素因数分解:

$2^3\times 5^1\times {\mathrm{1373}}^1\times {\mathrm{9011}}^1$

素因数の和:10395

約数の個数: 32

約数和(自身を含む): 1114423920

約数和(自身を除く): 619539800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1373, 2746, 5492, 6865, 9011, 10984, 13730, 18022, 27460, 36044, 45055, 54920, 72088, 90110, 180220, 360440, 12372103, 24744206, 49488412, 61860515, 98976824, 123721030, 247442060, 494884120]

約数ペア:

[(1, 494884120), (2, 247442060), (4, 123721030), (5, 98976824), (8, 61860515), (10, 49488412), (20, 24744206), (40, 12372103), (1373, 360440), (2746, 180220), (5492, 90110), (6865, 72088), (9011, 54920), (10984, 45055), (13730, 36044), (18022, 27460)]