278314444960

素因数分解:

$2^5\times 5^1\times {\mathrm{71}}^1\times {\mathrm{197}}^1\times {\mathrm{124363}}^1$

素因数の和:124646

約数の個数: 96

約数和(自身を含む): 670168743552

約数和(自身を除く): 391854298592

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 71, 80, 142, 160, 197, 284, 355, 394, 568, 710, 788, 985, 1136, 1420, 1576, 1970, 2272, 2840, 3152, 3940, 5680, 6304, 7880, 11360, 13987, 15760, 27974, 31520, 55948, 69935, 111896, 124363, 139870, 223792, 248726, 279740, 447584, 497452, 559480, 621815, 994904, 1118960, 1243630, 1989808, 2237920, 2487260, 3979616, 4974520, 8829773, 9949040, 17659546, 19898080, 24499511, 35319092, 44148865, 48999022, 70638184, 88297730, 97998044, 122497555, 141276368, 176595460, 195996088, 244995110, 282552736, 353190920, 391992176, 489990220, 706381840, 783984352, 979980440, 1412763680, 1739465281, 1959960880, 3478930562, 3919921760, 6957861124, 8697326405, 13915722248, 17394652810, 27831444496, 34789305620, 55662888992, 69578611240, 139157222480, 278314444960]

約数ペア:

[(1, 278314444960), (2, 139157222480), (4, 69578611240), (5, 55662888992), (8, 34789305620), (10, 27831444496), (16, 17394652810), (20, 13915722248), (32, 8697326405), (40, 6957861124), (71, 3919921760), (80, 3478930562), (142, 1959960880), (160, 1739465281), (197, 1412763680), (284, 979980440), (355, 783984352), (394, 706381840), (568, 489990220), (710, 391992176), (788, 353190920), (985, 282552736), (1136, 244995110), (1420, 195996088), (1576, 176595460), (1970, 141276368), (2272, 122497555), (2840, 97998044), (3152, 88297730), (3940, 70638184), (5680, 48999022), (6304, 44148865), (7880, 35319092), (11360, 24499511), (13987, 19898080), (15760, 17659546), (27974, 9949040), (31520, 8829773), (55948, 4974520), (69935, 3979616), (111896, 2487260), (124363, 2237920), (139870, 1989808), (223792, 1243630), (248726, 1118960), (279740, 994904), (447584, 621815), (497452, 559480)]