1942420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{197}}^1$

素因数の和:252

約数の個数: 48

約数和(自身を含む): 4490640

約数和(自身を除く): 2548220

約数列:

[1, 2, 4, 5, 10, 17, 20, 29, 34, 58, 68, 85, 116, 145, 170, 197, 290, 340, 394, 493, 580, 788, 985, 986, 1970, 1972, 2465, 3349, 3940, 4930, 5713, 6698, 9860, 11426, 13396, 16745, 22852, 28565, 33490, 57130, 66980, 97121, 114260, 194242, 388484, 485605, 971210, 1942420]

約数ペア:

[(1, 1942420), (2, 971210), (4, 485605), (5, 388484), (10, 194242), (17, 114260), (20, 97121), (29, 66980), (34, 57130), (58, 33490), (68, 28565), (85, 22852), (116, 16745), (145, 13396), (170, 11426), (197, 9860), (290, 6698), (340, 5713), (394, 4930), (493, 3940), (580, 3349), (788, 2465), (985, 1972), (986, 1970)]