874505720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{281}}^1\times {\mathrm{643}}^1$

素因数の和:957

約数の個数: 96

約数和(自身を含む): 2173847760

約数和(自身を除く): 1299342040

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 121, 220, 242, 281, 440, 484, 562, 605, 643, 968, 1124, 1210, 1286, 1405, 2248, 2420, 2572, 2810, 3091, 3215, 4840, 5144, 5620, 6182, 6430, 7073, 11240, 12364, 12860, 14146, 15455, 24728, 25720, 28292, 30910, 34001, 35365, 56584, 61820, 68002, 70730, 77803, 123640, 136004, 141460, 155606, 170005, 180683, 272008, 282920, 311212, 340010, 361366, 389015, 622424, 680020, 722732, 778030, 903415, 1360040, 1445464, 1556060, 1806830, 1987513, 3112120, 3613660, 3975026, 7227320, 7950052, 9937565, 15900104, 19875130, 21862643, 39750260, 43725286, 79500520, 87450572, 109313215, 174901144, 218626430, 437252860, 874505720]

約数ペア:

[(1, 874505720), (2, 437252860), (4, 218626430), (5, 174901144), (8, 109313215), (10, 87450572), (11, 79500520), (20, 43725286), (22, 39750260), (40, 21862643), (44, 19875130), (55, 15900104), (88, 9937565), (110, 7950052), (121, 7227320), (220, 3975026), (242, 3613660), (281, 3112120), (440, 1987513), (484, 1806830), (562, 1556060), (605, 1445464), (643, 1360040), (968, 903415), (1124, 778030), (1210, 722732), (1286, 680020), (1405, 622424), (2248, 389015), (2420, 361366), (2572, 340010), (2810, 311212), (3091, 282920), (3215, 272008), (4840, 180683), (5144, 170005), (5620, 155606), (6182, 141460), (6430, 136004), (7073, 123640), (11240, 77803), (12364, 70730), (12860, 68002), (14146, 61820), (15455, 56584), (24728, 35365), (25720, 34001), (28292, 30910)]