231547540

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{349}}^1\times {\mathrm{677}}^1$

素因数の和:1049

約数の個数: 72

約数和(自身を含む): 568096200

約数和(自身を除く): 336548660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 349, 490, 677, 698, 980, 1354, 1396, 1745, 2443, 2708, 3385, 3490, 4739, 4886, 6770, 6980, 9478, 9772, 12215, 13540, 17101, 18956, 23695, 24430, 33173, 34202, 47390, 48860, 66346, 68404, 85505, 94780, 132692, 165865, 171010, 236273, 331730, 342020, 472546, 663460, 945092, 1181365, 1653911, 2362730, 3307822, 4725460, 6615644, 8269555, 11577377, 16539110, 23154754, 33078220, 46309508, 57886885, 115773770, 231547540]

約数ペア:

[(1, 231547540), (2, 115773770), (4, 57886885), (5, 46309508), (7, 33078220), (10, 23154754), (14, 16539110), (20, 11577377), (28, 8269555), (35, 6615644), (49, 4725460), (70, 3307822), (98, 2362730), (140, 1653911), (196, 1181365), (245, 945092), (349, 663460), (490, 472546), (677, 342020), (698, 331730), (980, 236273), (1354, 171010), (1396, 165865), (1745, 132692), (2443, 94780), (2708, 85505), (3385, 68404), (3490, 66346), (4739, 48860), (4886, 47390), (6770, 34202), (6980, 33173), (9478, 24430), (9772, 23695), (12215, 18956), (13540, 17101)]