31481540

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{107}}^1\times {\mathrm{313}}^1$

素因数の和:476

約数の個数: 48

約数和(自身を含む): 68366592

約数和(自身を除く): 36885052

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 107, 188, 214, 235, 313, 428, 470, 535, 626, 940, 1070, 1252, 1565, 2140, 3130, 5029, 6260, 10058, 14711, 20116, 25145, 29422, 33491, 50290, 58844, 66982, 73555, 100580, 133964, 147110, 167455, 294220, 334910, 669820, 1574077, 3148154, 6296308, 7870385, 15740770, 31481540]

約数ペア:

[(1, 31481540), (2, 15740770), (4, 7870385), (5, 6296308), (10, 3148154), (20, 1574077), (47, 669820), (94, 334910), (107, 294220), (188, 167455), (214, 147110), (235, 133964), (313, 100580), (428, 73555), (470, 66982), (535, 58844), (626, 50290), (940, 33491), (1070, 29422), (1252, 25145), (1565, 20116), (2140, 14711), (3130, 10058), (5029, 6260)]