217241360

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{3559}}^1$

素因数の和:3688

約数の個数: 80

約数和(自身を含む): 582700800

約数和(自身を除く): 365459440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 109, 112, 140, 218, 280, 436, 545, 560, 763, 872, 1090, 1526, 1744, 2180, 3052, 3559, 3815, 4360, 6104, 7118, 7630, 8720, 12208, 14236, 15260, 17795, 24913, 28472, 30520, 35590, 49826, 56944, 61040, 71180, 99652, 124565, 142360, 199304, 249130, 284720, 387931, 398608, 498260, 775862, 996520, 1551724, 1939655, 1993040, 2715517, 3103448, 3879310, 5431034, 6206896, 7758620, 10862068, 13577585, 15517240, 21724136, 27155170, 31034480, 43448272, 54310340, 108620680, 217241360]

約数ペア:

[(1, 217241360), (2, 108620680), (4, 54310340), (5, 43448272), (7, 31034480), (8, 27155170), (10, 21724136), (14, 15517240), (16, 13577585), (20, 10862068), (28, 7758620), (35, 6206896), (40, 5431034), (56, 3879310), (70, 3103448), (80, 2715517), (109, 1993040), (112, 1939655), (140, 1551724), (218, 996520), (280, 775862), (436, 498260), (545, 398608), (560, 387931), (763, 284720), (872, 249130), (1090, 199304), (1526, 142360), (1744, 124565), (2180, 99652), (3052, 71180), (3559, 61040), (3815, 56944), (4360, 49826), (6104, 35590), (7118, 30520), (7630, 28472), (8720, 24913), (12208, 17795), (14236, 15260)]