12760580

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{449}}^1$

素因数の和:501

約数の個数: 72

約数和(自身を含む): 32319000

約数和(自身を除く): 19558420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 49, 58, 70, 98, 116, 140, 145, 196, 203, 245, 290, 406, 449, 490, 580, 812, 898, 980, 1015, 1421, 1796, 2030, 2245, 2842, 3143, 4060, 4490, 5684, 6286, 7105, 8980, 12572, 13021, 14210, 15715, 22001, 26042, 28420, 31430, 44002, 52084, 62860, 65105, 88004, 91147, 110005, 130210, 182294, 220010, 260420, 364588, 440020, 455735, 638029, 911470, 1276058, 1822940, 2552116, 3190145, 6380290, 12760580]

約数ペア:

[(1, 12760580), (2, 6380290), (4, 3190145), (5, 2552116), (7, 1822940), (10, 1276058), (14, 911470), (20, 638029), (28, 455735), (29, 440020), (35, 364588), (49, 260420), (58, 220010), (70, 182294), (98, 130210), (116, 110005), (140, 91147), (145, 88004), (196, 65105), (203, 62860), (245, 52084), (290, 44002), (406, 31430), (449, 28420), (490, 26042), (580, 22001), (812, 15715), (898, 14210), (980, 13021), (1015, 12572), (1421, 8980), (1796, 7105), (2030, 6286), (2245, 5684), (2842, 4490), (3143, 4060)]