85331540

素因数分解:

$2^2\times 5^1\times 7^4\times {\mathrm{1777}}^1$

素因数の和:1814

約数の個数: 60

約数和(自身を含む): 209167476

約数和(自身を除く): 123835936

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1372, 1715, 1777, 2401, 3430, 3554, 4802, 6860, 7108, 8885, 9604, 12005, 12439, 17770, 24010, 24878, 35540, 48020, 49756, 62195, 87073, 124390, 174146, 248780, 348292, 435365, 609511, 870730, 1219022, 1741460, 2438044, 3047555, 4266577, 6095110, 8533154, 12190220, 17066308, 21332885, 42665770, 85331540]

約数ペア:

[(1, 85331540), (2, 42665770), (4, 21332885), (5, 17066308), (7, 12190220), (10, 8533154), (14, 6095110), (20, 4266577), (28, 3047555), (35, 2438044), (49, 1741460), (70, 1219022), (98, 870730), (140, 609511), (196, 435365), (245, 348292), (343, 248780), (490, 174146), (686, 124390), (980, 87073), (1372, 62195), (1715, 49756), (1777, 48020), (2401, 35540), (3430, 24878), (3554, 24010), (4802, 17770), (6860, 12439), (7108, 12005), (8885, 9604)]