314720140

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{321143}}^1$

素因数の和:321166

約数の個数: 36

約数和(自身を含む): 768818736

約数和(自身を除く): 454098596

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 321143, 642286, 1284572, 1605715, 2248001, 3211430, 4496002, 6422860, 8992004, 11240005, 15736007, 22480010, 31472014, 44960020, 62944028, 78680035, 157360070, 314720140]

約数ペア:

[(1, 314720140), (2, 157360070), (4, 78680035), (5, 62944028), (7, 44960020), (10, 31472014), (14, 22480010), (20, 15736007), (28, 11240005), (35, 8992004), (49, 6422860), (70, 4496002), (98, 3211430), (140, 2248001), (196, 1605715), (245, 1284572), (490, 642286), (980, 321143)]