864290420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{337}}^1\times {\mathrm{2617}}^1$

素因数の和:2977

約数の個数: 72

約数和(自身を含む): 2118412296

約数和(自身を除く): 1254121876

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 337, 490, 674, 980, 1348, 1685, 2359, 2617, 3370, 4718, 5234, 6740, 9436, 10468, 11795, 13085, 16513, 18319, 23590, 26170, 33026, 36638, 47180, 52340, 66052, 73276, 82565, 91595, 128233, 165130, 183190, 256466, 330260, 366380, 512932, 641165, 881929, 1282330, 1763858, 2564660, 3527716, 4409645, 6173503, 8819290, 12347006, 17638580, 24694012, 30867515, 43214521, 61735030, 86429042, 123470060, 172858084, 216072605, 432145210, 864290420]

約数ペア:

[(1, 864290420), (2, 432145210), (4, 216072605), (5, 172858084), (7, 123470060), (10, 86429042), (14, 61735030), (20, 43214521), (28, 30867515), (35, 24694012), (49, 17638580), (70, 12347006), (98, 8819290), (140, 6173503), (196, 4409645), (245, 3527716), (337, 2564660), (490, 1763858), (674, 1282330), (980, 881929), (1348, 641165), (1685, 512932), (2359, 366380), (2617, 330260), (3370, 256466), (4718, 183190), (5234, 165130), (6740, 128233), (9436, 91595), (10468, 82565), (11795, 73276), (13085, 66052), (16513, 52340), (18319, 47180), (23590, 36638), (26170, 33026)]