290417148

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{8291}}^1$

素因数の和:8447

約数の個数: 72

約数和(自身を含む): 845120640

約数和(自身を除く): 554703492

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 139, 252, 278, 417, 556, 834, 973, 1251, 1668, 1946, 2502, 2919, 3892, 5004, 5838, 8291, 8757, 11676, 16582, 17514, 24873, 33164, 35028, 49746, 58037, 74619, 99492, 116074, 149238, 174111, 232148, 298476, 348222, 522333, 696444, 1044666, 1152449, 2089332, 2304898, 3457347, 4609796, 6914694, 8067143, 10372041, 13829388, 16134286, 20744082, 24201429, 32268572, 41488164, 48402858, 72604287, 96805716, 145208574, 290417148]

約数ペア:

[(1, 290417148), (2, 145208574), (3, 96805716), (4, 72604287), (6, 48402858), (7, 41488164), (9, 32268572), (12, 24201429), (14, 20744082), (18, 16134286), (21, 13829388), (28, 10372041), (36, 8067143), (42, 6914694), (63, 4609796), (84, 3457347), (126, 2304898), (139, 2089332), (252, 1152449), (278, 1044666), (417, 696444), (556, 522333), (834, 348222), (973, 298476), (1251, 232148), (1668, 174111), (1946, 149238), (2502, 116074), (2919, 99492), (3892, 74619), (5004, 58037), (5838, 49746), (8291, 35028), (8757, 33164), (11676, 24873), (16582, 17514)]