31741220

素因数分解:

$2^2\times 5^1\times 7^4\times {\mathrm{661}}^1$

素因数の和:698

約数の個数: 60

約数和(自身を含む): 77879004

約数和(自身を除く): 46137784

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 661, 686, 980, 1322, 1372, 1715, 2401, 2644, 3305, 3430, 4627, 4802, 6610, 6860, 9254, 9604, 12005, 13220, 18508, 23135, 24010, 32389, 46270, 48020, 64778, 92540, 129556, 161945, 226723, 323890, 453446, 647780, 906892, 1133615, 1587061, 2267230, 3174122, 4534460, 6348244, 7935305, 15870610, 31741220]

約数ペア:

[(1, 31741220), (2, 15870610), (4, 7935305), (5, 6348244), (7, 4534460), (10, 3174122), (14, 2267230), (20, 1587061), (28, 1133615), (35, 906892), (49, 647780), (70, 453446), (98, 323890), (140, 226723), (196, 161945), (245, 129556), (343, 92540), (490, 64778), (661, 48020), (686, 46270), (980, 32389), (1322, 24010), (1372, 23135), (1715, 18508), (2401, 13220), (2644, 12005), (3305, 9604), (3430, 9254), (4627, 6860), (4802, 6610)]