123722228

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{307}}^1\times {\mathrm{389}}^1$

素因数の和:744

約数の個数: 48

約数和(自身を含む): 255615360

約数和(自身を除く): 131893132

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 148, 259, 307, 389, 518, 614, 778, 1036, 1228, 1556, 2149, 2723, 4298, 5446, 8596, 10892, 11359, 14393, 22718, 28786, 45436, 57572, 79513, 100751, 119423, 159026, 201502, 238846, 318052, 403004, 477692, 835961, 1671922, 3343844, 4418651, 8837302, 17674604, 30930557, 61861114, 123722228]

約数ペア:

[(1, 123722228), (2, 61861114), (4, 30930557), (7, 17674604), (14, 8837302), (28, 4418651), (37, 3343844), (74, 1671922), (148, 835961), (259, 477692), (307, 403004), (389, 318052), (518, 238846), (614, 201502), (778, 159026), (1036, 119423), (1228, 100751), (1556, 79513), (2149, 57572), (2723, 45436), (4298, 28786), (5446, 22718), (8596, 14393), (10892, 11359)]