1330686260

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{727}}^1\times {\mathrm{1289}}^1$

素因数の和:2096

約数の個数: 48

約数和(自身を含む): 2839898880

約数和(自身を除く): 1509212620

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 727, 1289, 1420, 1454, 2578, 2908, 3635, 5156, 6445, 7270, 12890, 14540, 25780, 51617, 91519, 103234, 183038, 206468, 258085, 366076, 457595, 516170, 915190, 937103, 1032340, 1830380, 1874206, 3748412, 4685515, 9371030, 18742060, 66534313, 133068626, 266137252, 332671565, 665343130, 1330686260]

約数ペア:

[(1, 1330686260), (2, 665343130), (4, 332671565), (5, 266137252), (10, 133068626), (20, 66534313), (71, 18742060), (142, 9371030), (284, 4685515), (355, 3748412), (710, 1874206), (727, 1830380), (1289, 1032340), (1420, 937103), (1454, 915190), (2578, 516170), (2908, 457595), (3635, 366076), (5156, 258085), (6445, 206468), (7270, 183038), (12890, 103234), (14540, 91519), (25780, 51617)]