77804440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{241}}^1\times {\mathrm{1153}}^1$

素因数の和:1412

約数の個数: 64

約数和(自身を含む): 201072960

約数和(自身を除く): 123268520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 241, 280, 482, 964, 1153, 1205, 1687, 1928, 2306, 2410, 3374, 4612, 4820, 5765, 6748, 8071, 8435, 9224, 9640, 11530, 13496, 16142, 16870, 23060, 32284, 33740, 40355, 46120, 64568, 67480, 80710, 161420, 277873, 322840, 555746, 1111492, 1389365, 1945111, 2222984, 2778730, 3890222, 5557460, 7780444, 9725555, 11114920, 15560888, 19451110, 38902220, 77804440]

約数ペア:

[(1, 77804440), (2, 38902220), (4, 19451110), (5, 15560888), (7, 11114920), (8, 9725555), (10, 7780444), (14, 5557460), (20, 3890222), (28, 2778730), (35, 2222984), (40, 1945111), (56, 1389365), (70, 1111492), (140, 555746), (241, 322840), (280, 277873), (482, 161420), (964, 80710), (1153, 67480), (1205, 64568), (1687, 46120), (1928, 40355), (2306, 33740), (2410, 32284), (3374, 23060), (4612, 16870), (4820, 16142), (5765, 13496), (6748, 11530), (8071, 9640), (8435, 9224)]