740656

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{389}}^1$

素因数の和:421

約数の個数: 40

約数和(自身を含む): 1740960

約数和(自身を除く): 1000304

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 56, 68, 112, 119, 136, 238, 272, 389, 476, 778, 952, 1556, 1904, 2723, 3112, 5446, 6224, 6613, 10892, 13226, 21784, 26452, 43568, 46291, 52904, 92582, 105808, 185164, 370328, 740656]

約数ペア:

[(1, 740656), (2, 370328), (4, 185164), (7, 105808), (8, 92582), (14, 52904), (16, 46291), (17, 43568), (28, 26452), (34, 21784), (56, 13226), (68, 10892), (112, 6613), (119, 6224), (136, 5446), (238, 3112), (272, 2723), (389, 1904), (476, 1556), (778, 952)]