2520281975

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1\times {\mathrm{281}}^1$

素因数の和:548

約数の個数: 48

約数和(自身を含む): 3304476000

約数和(自身を除く): 784194025

約数列:

[1, 5, 25, 29, 89, 139, 145, 281, 445, 695, 725, 1405, 2225, 2581, 3475, 4031, 7025, 8149, 12371, 12905, 20155, 25009, 39059, 40745, 61855, 64525, 100775, 125045, 195295, 203725, 309275, 358759, 625225, 725261, 976475, 1132711, 1793795, 3476251, 3626305, 5663555, 8968975, 17381255, 18131525, 28317775, 86906275, 100811279, 504056395, 2520281975]

約数ペア:

[(1, 2520281975), (5, 504056395), (25, 100811279), (29, 86906275), (89, 28317775), (139, 18131525), (145, 17381255), (281, 8968975), (445, 5663555), (695, 3626305), (725, 3476251), (1405, 1793795), (2225, 1132711), (2581, 976475), (3475, 725261), (4031, 625225), (7025, 358759), (8149, 309275), (12371, 203725), (12905, 195295), (20155, 125045), (25009, 100775), (39059, 64525), (40745, 61855)]