289360820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{1093}}^1$

素因数の和:1201

約数の個数: 96

約数和(自身を含む): 729286656

約数和(自身を除く): 439925836

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 61, 62, 70, 122, 124, 140, 155, 217, 244, 305, 310, 427, 434, 610, 620, 854, 868, 1085, 1093, 1220, 1708, 1891, 2135, 2170, 2186, 3782, 4270, 4340, 4372, 5465, 7564, 7651, 8540, 9455, 10930, 13237, 15302, 18910, 21860, 26474, 30604, 33883, 37820, 38255, 52948, 66185, 66673, 67766, 76510, 132370, 133346, 135532, 153020, 169415, 237181, 264740, 266692, 333365, 338830, 466711, 474362, 666730, 677660, 933422, 948724, 1185905, 1333460, 1866844, 2066863, 2333555, 2371810, 4133726, 4667110, 4743620, 8267452, 9334220, 10334315, 14468041, 20668630, 28936082, 41337260, 57872164, 72340205, 144680410, 289360820]

約数ペア:

[(1, 289360820), (2, 144680410), (4, 72340205), (5, 57872164), (7, 41337260), (10, 28936082), (14, 20668630), (20, 14468041), (28, 10334315), (31, 9334220), (35, 8267452), (61, 4743620), (62, 4667110), (70, 4133726), (122, 2371810), (124, 2333555), (140, 2066863), (155, 1866844), (217, 1333460), (244, 1185905), (305, 948724), (310, 933422), (427, 677660), (434, 666730), (610, 474362), (620, 466711), (854, 338830), (868, 333365), (1085, 266692), (1093, 264740), (1220, 237181), (1708, 169415), (1891, 153020), (2135, 135532), (2170, 133346), (2186, 132370), (3782, 76510), (4270, 67766), (4340, 66673), (4372, 66185), (5465, 52948), (7564, 38255), (7651, 37820), (8540, 33883), (9455, 30604), (10930, 26474), (13237, 21860), (15302, 18910)]