123457930

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{197}}^1\times {\mathrm{2161}}^1$

素因数の和:2394

約数の個数: 32

約数和(自身を含む): 231161040

約数和(自身を除く): 107703110

約数列:

[1, 2, 5, 10, 29, 58, 145, 197, 290, 394, 985, 1970, 2161, 4322, 5713, 10805, 11426, 21610, 28565, 57130, 62669, 125338, 313345, 425717, 626690, 851434, 2128585, 4257170, 12345793, 24691586, 61728965, 123457930]

約数ペア:

[(1, 123457930), (2, 61728965), (5, 24691586), (10, 12345793), (29, 4257170), (58, 2128585), (145, 851434), (197, 626690), (290, 425717), (394, 313345), (985, 125338), (1970, 62669), (2161, 57130), (4322, 28565), (5713, 21610), (10805, 11426)]