171544940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{449}}^1\times {\mathrm{2729}}^1$

素因数の和:3194

約数の個数: 48

約数和(自身を含む): 412776000

約数和(自身を除く): 241231060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 449, 898, 1796, 2245, 2729, 3143, 4490, 5458, 6286, 8980, 10916, 12572, 13645, 15715, 19103, 27290, 31430, 38206, 54580, 62860, 76412, 95515, 191030, 382060, 1225321, 2450642, 4901284, 6126605, 8577247, 12253210, 17154494, 24506420, 34308988, 42886235, 85772470, 171544940]

約数ペア:

[(1, 171544940), (2, 85772470), (4, 42886235), (5, 34308988), (7, 24506420), (10, 17154494), (14, 12253210), (20, 8577247), (28, 6126605), (35, 4901284), (70, 2450642), (140, 1225321), (449, 382060), (898, 191030), (1796, 95515), (2245, 76412), (2729, 62860), (3143, 54580), (4490, 38206), (5458, 31430), (6286, 27290), (8980, 19103), (10916, 15715), (12572, 13645)]