851569420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{1291}}^1$

素因数の和:1415

約数の個数: 96

約数和(自身を含む): 2005597440

約数和(自身を除く): 1154028020

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 43, 52, 59, 65, 86, 118, 130, 172, 215, 236, 260, 295, 430, 559, 590, 767, 860, 1118, 1180, 1291, 1534, 2236, 2537, 2582, 2795, 3068, 3835, 5074, 5164, 5590, 6455, 7670, 10148, 11180, 12685, 12910, 15340, 16783, 25370, 25820, 32981, 33566, 50740, 55513, 65962, 67132, 76169, 83915, 111026, 131924, 152338, 164905, 167830, 222052, 277565, 304676, 329810, 335660, 380845, 555130, 659620, 721669, 761690, 990197, 1110260, 1443338, 1523380, 1980394, 2886676, 3275267, 3608345, 3960788, 4950985, 6550534, 7216690, 9901970, 13101068, 14433380, 16376335, 19803940, 32752670, 42578471, 65505340, 85156942, 170313884, 212892355, 425784710, 851569420]

約数ペア:

[(1, 851569420), (2, 425784710), (4, 212892355), (5, 170313884), (10, 85156942), (13, 65505340), (20, 42578471), (26, 32752670), (43, 19803940), (52, 16376335), (59, 14433380), (65, 13101068), (86, 9901970), (118, 7216690), (130, 6550534), (172, 4950985), (215, 3960788), (236, 3608345), (260, 3275267), (295, 2886676), (430, 1980394), (559, 1523380), (590, 1443338), (767, 1110260), (860, 990197), (1118, 761690), (1180, 721669), (1291, 659620), (1534, 555130), (2236, 380845), (2537, 335660), (2582, 329810), (2795, 304676), (3068, 277565), (3835, 222052), (5074, 167830), (5164, 164905), (5590, 152338), (6455, 131924), (7670, 111026), (10148, 83915), (11180, 76169), (12685, 67132), (12910, 65962), (15340, 55513), (16783, 50740), (25370, 33566), (25820, 32981)]