2139726890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{461}}^1\times {\mathrm{1087}}^1$

素因数の和:1623

約数の個数: 64

約数和(自身を含む): 4487712768

約数和(自身を除く): 2347985878

約数列:

[1, 2, 5, 7, 10, 14, 35, 61, 70, 122, 305, 427, 461, 610, 854, 922, 1087, 2135, 2174, 2305, 3227, 4270, 4610, 5435, 6454, 7609, 10870, 15218, 16135, 28121, 32270, 38045, 56242, 66307, 76090, 132614, 140605, 196847, 281210, 331535, 393694, 464149, 501107, 663070, 928298, 984235, 1002214, 1968470, 2320745, 2505535, 3507749, 4641490, 5011070, 7015498, 17538745, 30567527, 35077490, 61135054, 152837635, 213972689, 305675270, 427945378, 1069863445, 2139726890]

約数ペア:

[(1, 2139726890), (2, 1069863445), (5, 427945378), (7, 305675270), (10, 213972689), (14, 152837635), (35, 61135054), (61, 35077490), (70, 30567527), (122, 17538745), (305, 7015498), (427, 5011070), (461, 4641490), (610, 3507749), (854, 2505535), (922, 2320745), (1087, 1968470), (2135, 1002214), (2174, 984235), (2305, 928298), (3227, 663070), (4270, 501107), (4610, 464149), (5435, 393694), (6454, 331535), (7609, 281210), (10870, 196847), (15218, 140605), (16135, 132614), (28121, 76090), (32270, 66307), (38045, 56242)]