1264690

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{89}}^1$

素因数の和:139

約数の個数: 48

約数和(自身を含む): 2770200

約数和(自身を除く): 1505510

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 49, 58, 70, 89, 98, 145, 178, 203, 245, 290, 406, 445, 490, 623, 890, 1015, 1246, 1421, 2030, 2581, 2842, 3115, 4361, 5162, 6230, 7105, 8722, 12905, 14210, 18067, 21805, 25810, 36134, 43610, 90335, 126469, 180670, 252938, 632345, 1264690]

約数ペア:

[(1, 1264690), (2, 632345), (5, 252938), (7, 180670), (10, 126469), (14, 90335), (29, 43610), (35, 36134), (49, 25810), (58, 21805), (70, 18067), (89, 14210), (98, 12905), (145, 8722), (178, 7105), (203, 6230), (245, 5162), (290, 4361), (406, 3115), (445, 2842), (490, 2581), (623, 2030), (890, 1421), (1015, 1246)]