204615070

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{181}}^1\times {\mathrm{239}}^1$

素因数の和:481

約数の個数: 64

約数和(自身を含む): 415134720

約数和(自身を除く): 210519650

約数列:

[1, 2, 5, 10, 11, 22, 43, 55, 86, 110, 181, 215, 239, 362, 430, 473, 478, 905, 946, 1195, 1810, 1991, 2365, 2390, 2629, 3982, 4730, 5258, 7783, 9955, 10277, 13145, 15566, 19910, 20554, 26290, 38915, 43259, 51385, 77830, 85613, 86518, 102770, 113047, 171226, 216295, 226094, 428065, 432590, 475849, 565235, 856130, 951698, 1130470, 1860137, 2379245, 3720274, 4758490, 9300685, 18601370, 20461507, 40923014, 102307535, 204615070]

約数ペア:

[(1, 204615070), (2, 102307535), (5, 40923014), (10, 20461507), (11, 18601370), (22, 9300685), (43, 4758490), (55, 3720274), (86, 2379245), (110, 1860137), (181, 1130470), (215, 951698), (239, 856130), (362, 565235), (430, 475849), (473, 432590), (478, 428065), (905, 226094), (946, 216295), (1195, 171226), (1810, 113047), (1991, 102770), (2365, 86518), (2390, 85613), (2629, 77830), (3982, 51385), (4730, 43259), (5258, 38915), (7783, 26290), (9955, 20554), (10277, 19910), (13145, 15566)]