90206690

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{1303}}^1$

素因数の和:1383

約数の個数: 64

約数和(自身を含む): 198291456

約数和(自身を除く): 108084766

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 43, 46, 70, 86, 115, 161, 215, 230, 301, 322, 430, 602, 805, 989, 1303, 1505, 1610, 1978, 2606, 3010, 4945, 6515, 6923, 9121, 9890, 13030, 13846, 18242, 29969, 34615, 45605, 56029, 59938, 69230, 91210, 112058, 149845, 209783, 280145, 299690, 392203, 419566, 560290, 784406, 1048915, 1288667, 1961015, 2097830, 2577334, 3922030, 6443335, 9020669, 12886670, 18041338, 45103345, 90206690]

約数ペア:

[(1, 90206690), (2, 45103345), (5, 18041338), (7, 12886670), (10, 9020669), (14, 6443335), (23, 3922030), (35, 2577334), (43, 2097830), (46, 1961015), (70, 1288667), (86, 1048915), (115, 784406), (161, 560290), (215, 419566), (230, 392203), (301, 299690), (322, 280145), (430, 209783), (602, 149845), (805, 112058), (989, 91210), (1303, 69230), (1505, 59938), (1610, 56029), (1978, 45605), (2606, 34615), (3010, 29969), (4945, 18242), (6515, 13846), (6923, 13030), (9121, 9890)]