788971580

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{307}}^1\times {\mathrm{6763}}^1$

素因数の和:7098

約数の個数: 48

約数和(自身を含む): 1749982080

約数和(自身を除く): 961010500

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 307, 380, 614, 1228, 1535, 3070, 5833, 6140, 6763, 11666, 13526, 23332, 27052, 29165, 33815, 58330, 67630, 116660, 128497, 135260, 256994, 513988, 642485, 1284970, 2076241, 2569940, 4152482, 8304964, 10381205, 20762410, 39448579, 41524820, 78897158, 157794316, 197242895, 394485790, 788971580]

約数ペア:

[(1, 788971580), (2, 394485790), (4, 197242895), (5, 157794316), (10, 78897158), (19, 41524820), (20, 39448579), (38, 20762410), (76, 10381205), (95, 8304964), (190, 4152482), (307, 2569940), (380, 2076241), (614, 1284970), (1228, 642485), (1535, 513988), (3070, 256994), (5833, 135260), (6140, 128497), (6763, 116660), (11666, 67630), (13526, 58330), (23332, 33815), (27052, 29165)]