280206419780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{229}}^1\times {\mathrm{233}}^1\times {\mathrm{37511}}^1$

素因数の和:37989

約数の個数: 96

約数和(自身を含む): 678349002240

約数和(自身を除く): 398142582460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 229, 233, 458, 466, 916, 932, 1145, 1165, 1603, 1631, 2290, 2330, 3206, 3262, 4580, 4660, 6412, 6524, 8015, 8155, 16030, 16310, 32060, 32620, 37511, 53357, 75022, 106714, 150044, 187555, 213428, 262577, 266785, 373499, 375110, 525154, 533570, 746998, 750220, 1050308, 1067140, 1312885, 1493996, 1867495, 2625770, 3734990, 5251540, 7469980, 8590019, 8740063, 17180038, 17480126, 34360076, 34960252, 42950095, 43700315, 60130133, 61180441, 85900190, 87400630, 120260266, 122360882, 171800380, 174801260, 240520532, 244721764, 300650665, 305902205, 601301330, 611804410, 1202602660, 1223608820, 2001474427, 4002948854, 8005897708, 10007372135, 14010320989, 20014744270, 28020641978, 40029488540, 56041283956, 70051604945, 140103209890, 280206419780]

約数ペア:

[(1, 280206419780), (2, 140103209890), (4, 70051604945), (5, 56041283956), (7, 40029488540), (10, 28020641978), (14, 20014744270), (20, 14010320989), (28, 10007372135), (35, 8005897708), (70, 4002948854), (140, 2001474427), (229, 1223608820), (233, 1202602660), (458, 611804410), (466, 601301330), (916, 305902205), (932, 300650665), (1145, 244721764), (1165, 240520532), (1603, 174801260), (1631, 171800380), (2290, 122360882), (2330, 120260266), (3206, 87400630), (3262, 85900190), (4580, 61180441), (4660, 60130133), (6412, 43700315), (6524, 42950095), (8015, 34960252), (8155, 34360076), (16030, 17480126), (16310, 17180038), (32060, 8740063), (32620, 8590019), (37511, 7469980), (53357, 5251540), (75022, 3734990), (106714, 2625770), (150044, 1867495), (187555, 1493996), (213428, 1312885), (262577, 1067140), (266785, 1050308), (373499, 750220), (375110, 746998), (525154, 533570)]