189717400

素因数分解:

$2^3\times 5^2\times {\mathrm{257}}^1\times {\mathrm{3691}}^1$

素因数の和:3964

約数の個数: 48

約数和(自身を含む): 442929240

約数和(自身を除く): 253211840

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 257, 514, 1028, 1285, 2056, 2570, 3691, 5140, 6425, 7382, 10280, 12850, 14764, 18455, 25700, 29528, 36910, 51400, 73820, 92275, 147640, 184550, 369100, 738200, 948587, 1897174, 3794348, 4742935, 7588696, 9485870, 18971740, 23714675, 37943480, 47429350, 94858700, 189717400]

約数ペア:

[(1, 189717400), (2, 94858700), (4, 47429350), (5, 37943480), (8, 23714675), (10, 18971740), (20, 9485870), (25, 7588696), (40, 4742935), (50, 3794348), (100, 1897174), (200, 948587), (257, 738200), (514, 369100), (1028, 184550), (1285, 147640), (2056, 92275), (2570, 73820), (3691, 51400), (5140, 36910), (6425, 29528), (7382, 25700), (10280, 18455), (12850, 14764)]