211087960

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{193}}^1\times {\mathrm{739}}^1$

素因数の和:980

約数の個数: 64

約数和(自身を含む): 490975200

約数和(自身を除く): 279887240

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 193, 296, 370, 386, 739, 740, 772, 965, 1478, 1480, 1544, 1930, 2956, 3695, 3860, 5912, 7141, 7390, 7720, 14282, 14780, 27343, 28564, 29560, 35705, 54686, 57128, 71410, 109372, 136715, 142627, 142820, 218744, 273430, 285254, 285640, 546860, 570508, 713135, 1093720, 1141016, 1426270, 2852540, 5277199, 5705080, 10554398, 21108796, 26385995, 42217592, 52771990, 105543980, 211087960]

約数ペア:

[(1, 211087960), (2, 105543980), (4, 52771990), (5, 42217592), (8, 26385995), (10, 21108796), (20, 10554398), (37, 5705080), (40, 5277199), (74, 2852540), (148, 1426270), (185, 1141016), (193, 1093720), (296, 713135), (370, 570508), (386, 546860), (739, 285640), (740, 285254), (772, 273430), (965, 218744), (1478, 142820), (1480, 142627), (1544, 136715), (1930, 109372), (2956, 71410), (3695, 57128), (3860, 54686), (5912, 35705), (7141, 29560), (7390, 28564), (7720, 27343), (14282, 14780)]