139788460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{349}}^1\times {\mathrm{2861}}^1$

素因数の和:3226

約数の個数: 48

約数和(自身を含む): 336571200

約数和(自身を除く): 196782740

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 349, 698, 1396, 1745, 2443, 2861, 3490, 4886, 5722, 6980, 9772, 11444, 12215, 14305, 20027, 24430, 28610, 40054, 48860, 57220, 80108, 100135, 200270, 400540, 998489, 1996978, 3993956, 4992445, 6989423, 9984890, 13978846, 19969780, 27957692, 34947115, 69894230, 139788460]

約数ペア:

[(1, 139788460), (2, 69894230), (4, 34947115), (5, 27957692), (7, 19969780), (10, 13978846), (14, 9984890), (20, 6989423), (28, 4992445), (35, 3993956), (70, 1996978), (140, 998489), (349, 400540), (698, 200270), (1396, 100135), (1745, 80108), (2443, 57220), (2861, 48860), (3490, 40054), (4886, 28610), (5722, 24430), (6980, 20027), (9772, 14305), (11444, 12215)]