245406420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{194767}}^1$

素因数の和:194789

約数の個数: 72

約数和(自身を含む): 850746624

約数和(自身を除く): 605340204

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 194767, 389534, 584301, 779068, 973835, 1168602, 1363369, 1752903, 1947670, 2337204, 2726738, 2921505, 3505806, 3895340, 4090107, 5453476, 5843010, 6816845, 7011612, 8180214, 8764515, 11686020, 12270321, 13633690, 16360428, 17529030, 20450535, 24540642, 27267380, 35058060, 40901070, 49081284, 61351605, 81802140, 122703210, 245406420]

約数ペア:

[(1, 245406420), (2, 122703210), (3, 81802140), (4, 61351605), (5, 49081284), (6, 40901070), (7, 35058060), (9, 27267380), (10, 24540642), (12, 20450535), (14, 17529030), (15, 16360428), (18, 13633690), (20, 12270321), (21, 11686020), (28, 8764515), (30, 8180214), (35, 7011612), (36, 6816845), (42, 5843010), (45, 5453476), (60, 4090107), (63, 3895340), (70, 3505806), (84, 2921505), (90, 2726738), (105, 2337204), (126, 1947670), (140, 1752903), (180, 1363369), (210, 1168602), (252, 973835), (315, 779068), (420, 584301), (630, 389534), (1260, 194767)]