194700520

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{23}}^1\times {\mathrm{617}}^1$

素因数の和:672

約数の個数: 128

約数和(自身を含む): 533952000

約数和(自身を除く): 339251480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 49, 56, 70, 92, 98, 115, 140, 161, 184, 196, 230, 245, 280, 322, 343, 392, 460, 490, 617, 644, 686, 805, 920, 980, 1127, 1234, 1288, 1372, 1610, 1715, 1960, 2254, 2468, 2744, 3085, 3220, 3430, 4319, 4508, 4936, 5635, 6170, 6440, 6860, 7889, 8638, 9016, 11270, 12340, 13720, 14191, 15778, 17276, 21595, 22540, 24680, 28382, 30233, 31556, 34552, 39445, 43190, 45080, 56764, 60466, 63112, 70955, 78890, 86380, 99337, 113528, 120932, 141910, 151165, 157780, 172760, 198674, 211631, 241864, 283820, 302330, 315560, 397348, 423262, 496685, 567640, 604660, 695359, 794696, 846524, 993370, 1058155, 1209320, 1390718, 1693048, 1986740, 2116310, 2781436, 3476795, 3973480, 4232620, 4867513, 5562872, 6953590, 8465240, 9735026, 13907180, 19470052, 24337565, 27814360, 38940104, 48675130, 97350260, 194700520]

約数ペア:

[(1, 194700520), (2, 97350260), (4, 48675130), (5, 38940104), (7, 27814360), (8, 24337565), (10, 19470052), (14, 13907180), (20, 9735026), (23, 8465240), (28, 6953590), (35, 5562872), (40, 4867513), (46, 4232620), (49, 3973480), (56, 3476795), (70, 2781436), (92, 2116310), (98, 1986740), (115, 1693048), (140, 1390718), (161, 1209320), (184, 1058155), (196, 993370), (230, 846524), (245, 794696), (280, 695359), (322, 604660), (343, 567640), (392, 496685), (460, 423262), (490, 397348), (617, 315560), (644, 302330), (686, 283820), (805, 241864), (920, 211631), (980, 198674), (1127, 172760), (1234, 157780), (1288, 151165), (1372, 141910), (1610, 120932), (1715, 113528), (1960, 99337), (2254, 86380), (2468, 78890), (2744, 70955), (3085, 63112), (3220, 60466), (3430, 56764), (4319, 45080), (4508, 43190), (4936, 39445), (5635, 34552), (6170, 31556), (6440, 30233), (6860, 28382), (7889, 24680), (8638, 22540), (9016, 21595), (11270, 17276), (12340, 15778), (13720, 14191)]