28802060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{419}}^1\times {\mathrm{491}}^1$

素因数の和:926

約数の個数: 48

約数和(自身を含む): 69431040

約数和(自身を除く): 40628980

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 419, 491, 838, 982, 1676, 1964, 2095, 2455, 2933, 3437, 4190, 4910, 5866, 6874, 8380, 9820, 11732, 13748, 14665, 17185, 29330, 34370, 58660, 68740, 205729, 411458, 822916, 1028645, 1440103, 2057290, 2880206, 4114580, 5760412, 7200515, 14401030, 28802060]

約数ペア:

[(1, 28802060), (2, 14401030), (4, 7200515), (5, 5760412), (7, 4114580), (10, 2880206), (14, 2057290), (20, 1440103), (28, 1028645), (35, 822916), (70, 411458), (140, 205729), (419, 68740), (491, 58660), (838, 34370), (982, 29330), (1676, 17185), (1964, 14665), (2095, 13748), (2455, 11732), (2933, 9820), (3437, 8380), (4190, 6874), (4910, 5866)]