420477670

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{491}}^1\times {\mathrm{2953}}^1$

素因数の和:3480

約数の個数: 32

約数和(自身を含む): 784818720

約数和(自身を除く): 364341050

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 491, 982, 2455, 2953, 4910, 5906, 14239, 14765, 28478, 29530, 71195, 85637, 142390, 171274, 428185, 856370, 1449923, 2899846, 7249615, 14499230, 42047767, 84095534, 210238835, 420477670]

約数ペア:

[(1, 420477670), (2, 210238835), (5, 84095534), (10, 42047767), (29, 14499230), (58, 7249615), (145, 2899846), (290, 1449923), (491, 856370), (982, 428185), (2455, 171274), (2953, 142390), (4910, 85637), (5906, 71195), (14239, 29530), (14765, 28478)]