1999602275

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{3511}}^1$

素因数の和:3660

約数の個数: 48

約数和(自身を含む): 2874220800

約数和(自身を除く): 874618525

約数列:

[1, 5, 11, 19, 25, 55, 95, 109, 209, 275, 475, 545, 1045, 1199, 2071, 2725, 3511, 5225, 5995, 10355, 17555, 22781, 29975, 38621, 51775, 66709, 87775, 113905, 193105, 333545, 382699, 569525, 733799, 965525, 1667725, 1913495, 3668995, 4209689, 7271281, 9567475, 18344975, 21048445, 36356405, 79984091, 105242225, 181782025, 399920455, 1999602275]

約数ペア:

[(1, 1999602275), (5, 399920455), (11, 181782025), (19, 105242225), (25, 79984091), (55, 36356405), (95, 21048445), (109, 18344975), (209, 9567475), (275, 7271281), (475, 4209689), (545, 3668995), (1045, 1913495), (1199, 1667725), (2071, 965525), (2725, 733799), (3511, 569525), (5225, 382699), (5995, 333545), (10355, 193105), (17555, 113905), (22781, 87775), (29975, 66709), (38621, 51775)]