441280

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{197}}^1$

素因数の和:221

約数の個数: 56

約数和(自身を含む): 1207008

約数和(自身を除く): 765728

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 197, 224, 280, 320, 394, 448, 560, 788, 985, 1120, 1379, 1576, 1970, 2240, 2758, 3152, 3940, 5516, 6304, 6895, 7880, 11032, 12608, 13790, 15760, 22064, 27580, 31520, 44128, 55160, 63040, 88256, 110320, 220640, 441280]

約数ペア:

[(1, 441280), (2, 220640), (4, 110320), (5, 88256), (7, 63040), (8, 55160), (10, 44128), (14, 31520), (16, 27580), (20, 22064), (28, 15760), (32, 13790), (35, 12608), (40, 11032), (56, 7880), (64, 6895), (70, 6304), (80, 5516), (112, 3940), (140, 3152), (160, 2758), (197, 2240), (224, 1970), (280, 1576), (320, 1379), (394, 1120), (448, 985), (560, 788)]