209539260

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{166301}}^1$

素因数の和:166323

約数の個数: 72

約数和(自身を含む): 726407136

約数和(自身を除く): 516867876

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, 166301, 332602, 498903, 665204, 831505, 997806, 1164107, 1496709, 1663010, 1995612, 2328214, 2494515, 2993418, 3326020, 3492321, 4656428, 4989030, 5820535, 5986836, 6984642, 7483545, 9978060, 10476963, 11641070, 13969284, 14967090, 17461605, 20953926, 23282140, 29934180, 34923210, 41907852, 52384815, 69846420, 104769630, 209539260]

約数ペア:

[(1, 209539260), (2, 104769630), (3, 69846420), (4, 52384815), (5, 41907852), (6, 34923210), (7, 29934180), (9, 23282140), (10, 20953926), (12, 17461605), (14, 14967090), (15, 13969284), (18, 11641070), (20, 10476963), (21, 9978060), (28, 7483545), (30, 6984642), (35, 5986836), (36, 5820535), (42, 4989030), (45, 4656428), (60, 3492321), (63, 3326020), (70, 2993418), (84, 2494515), (90, 2328214), (105, 1995612), (126, 1663010), (140, 1496709), (180, 1164107), (210, 997806), (252, 831505), (315, 665204), (420, 498903), (630, 332602), (1260, 166301)]