197901804520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{431}}^1\times {\mathrm{1639889}}^1$

素因数の和:1640338

約数の個数: 64

約数和(自身を含む): 510071385600

約数和(自身を除く): 312169581080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 431, 862, 1724, 2155, 3017, 3448, 4310, 6034, 8620, 12068, 15085, 17240, 24136, 30170, 60340, 120680, 1639889, 3279778, 6559556, 8199445, 11479223, 13119112, 16398890, 22958446, 32797780, 45916892, 57396115, 65595560, 91833784, 114792230, 229584460, 459168920, 706792159, 1413584318, 2827168636, 3533960795, 4947545113, 5654337272, 7067921590, 9895090226, 14135843180, 19790180452, 24737725565, 28271686360, 39580360904, 49475451130, 98950902260, 197901804520]

約数ペア:

[(1, 197901804520), (2, 98950902260), (4, 49475451130), (5, 39580360904), (7, 28271686360), (8, 24737725565), (10, 19790180452), (14, 14135843180), (20, 9895090226), (28, 7067921590), (35, 5654337272), (40, 4947545113), (56, 3533960795), (70, 2827168636), (140, 1413584318), (280, 706792159), (431, 459168920), (862, 229584460), (1724, 114792230), (2155, 91833784), (3017, 65595560), (3448, 57396115), (4310, 45916892), (6034, 32797780), (8620, 22958446), (12068, 16398890), (15085, 13119112), (17240, 11479223), (24136, 8199445), (30170, 6559556), (60340, 3279778), (120680, 1639889)]