82121200

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{211}}^1$

素因数の和:375

約数の個数: 120

約数和(自身を含む): 228179840

約数和(自身を除く): 146058640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 50, 56, 70, 80, 100, 112, 139, 140, 175, 200, 211, 278, 280, 350, 400, 422, 556, 560, 695, 700, 844, 973, 1055, 1112, 1390, 1400, 1477, 1688, 1946, 2110, 2224, 2780, 2800, 2954, 3376, 3475, 3892, 4220, 4865, 5275, 5560, 5908, 6950, 7385, 7784, 8440, 9730, 10550, 11120, 11816, 13900, 14770, 15568, 16880, 19460, 21100, 23632, 24325, 27800, 29329, 29540, 36925, 38920, 42200, 48650, 55600, 58658, 59080, 73850, 77840, 84400, 97300, 117316, 118160, 146645, 147700, 194600, 205303, 234632, 293290, 295400, 389200, 410606, 469264, 586580, 590800, 733225, 821212, 1026515, 1173160, 1466450, 1642424, 2053030, 2346320, 2932900, 3284848, 4106060, 5132575, 5865800, 8212120, 10265150, 11731600, 16424240, 20530300, 41060600, 82121200]

約数ペア:

[(1, 82121200), (2, 41060600), (4, 20530300), (5, 16424240), (7, 11731600), (8, 10265150), (10, 8212120), (14, 5865800), (16, 5132575), (20, 4106060), (25, 3284848), (28, 2932900), (35, 2346320), (40, 2053030), (50, 1642424), (56, 1466450), (70, 1173160), (80, 1026515), (100, 821212), (112, 733225), (139, 590800), (140, 586580), (175, 469264), (200, 410606), (211, 389200), (278, 295400), (280, 293290), (350, 234632), (400, 205303), (422, 194600), (556, 147700), (560, 146645), (695, 118160), (700, 117316), (844, 97300), (973, 84400), (1055, 77840), (1112, 73850), (1390, 59080), (1400, 58658), (1477, 55600), (1688, 48650), (1946, 42200), (2110, 38920), (2224, 36925), (2780, 29540), (2800, 29329), (2954, 27800), (3376, 24325), (3475, 23632), (3892, 21100), (4220, 19460), (4865, 16880), (5275, 15568), (5560, 14770), (5908, 13900), (6950, 11816), (7385, 11120), (7784, 10550), (8440, 9730)]