377490620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{491}}^1\times {\mathrm{2957}}^1$

素因数の和:3470

約数の個数: 48

約数和(自身を含む): 855737568

約数和(自身を除く): 478246948

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 491, 982, 1964, 2455, 2957, 4910, 5914, 6383, 9820, 11828, 12766, 14785, 25532, 29570, 31915, 38441, 59140, 63830, 76882, 127660, 153764, 192205, 384410, 768820, 1451887, 2903774, 5807548, 7259435, 14518870, 18874531, 29037740, 37749062, 75498124, 94372655, 188745310, 377490620]

約数ペア:

[(1, 377490620), (2, 188745310), (4, 94372655), (5, 75498124), (10, 37749062), (13, 29037740), (20, 18874531), (26, 14518870), (52, 7259435), (65, 5807548), (130, 2903774), (260, 1451887), (491, 768820), (982, 384410), (1964, 192205), (2455, 153764), (2957, 127660), (4910, 76882), (5914, 63830), (6383, 59140), (9820, 38441), (11828, 31915), (12766, 29570), (14785, 25532)]