397774690

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{113}}^1\times {\mathrm{191}}^1$

素因数の和:427

約数の個数: 64

約数和(自身を含む): 772208640

約数和(自身を除く): 374433950

約数列:

[1, 2, 5, 10, 19, 38, 95, 97, 113, 190, 191, 194, 226, 382, 485, 565, 955, 970, 1130, 1843, 1910, 2147, 3629, 3686, 4294, 7258, 9215, 10735, 10961, 18145, 18430, 18527, 21470, 21583, 21922, 36290, 37054, 43166, 54805, 92635, 107915, 109610, 185270, 208259, 215830, 352013, 410077, 416518, 704026, 820154, 1041295, 1760065, 2050385, 2082590, 2093551, 3520130, 4100770, 4187102, 10467755, 20935510, 39777469, 79554938, 198887345, 397774690]

約数ペア:

[(1, 397774690), (2, 198887345), (5, 79554938), (10, 39777469), (19, 20935510), (38, 10467755), (95, 4187102), (97, 4100770), (113, 3520130), (190, 2093551), (191, 2082590), (194, 2050385), (226, 1760065), (382, 1041295), (485, 820154), (565, 704026), (955, 416518), (970, 410077), (1130, 352013), (1843, 215830), (1910, 208259), (2147, 185270), (3629, 109610), (3686, 107915), (4294, 92635), (7258, 54805), (9215, 43166), (10735, 37054), (10961, 36290), (18145, 21922), (18430, 21583), (18527, 21470)]