259886690

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{18289}}^1$

素因数の和:18339

約数の個数: 48

約数和(自身を含む): 562966200

約数和(自身を除く): 303079510

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 49, 58, 70, 98, 145, 203, 245, 290, 406, 490, 1015, 1421, 2030, 2842, 7105, 14210, 18289, 36578, 91445, 128023, 182890, 256046, 530381, 640115, 896161, 1060762, 1280230, 1792322, 2651905, 3712667, 4480805, 5303810, 7425334, 8961610, 18563335, 25988669, 37126670, 51977338, 129943345, 259886690]

約数ペア:

[(1, 259886690), (2, 129943345), (5, 51977338), (7, 37126670), (10, 25988669), (14, 18563335), (29, 8961610), (35, 7425334), (49, 5303810), (58, 4480805), (70, 3712667), (98, 2651905), (145, 1792322), (203, 1280230), (245, 1060762), (290, 896161), (406, 640115), (490, 530381), (1015, 256046), (1421, 182890), (2030, 128023), (2842, 91445), (7105, 36578), (14210, 18289)]