1288395795460

素因数分解:

$2^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{787}}^1\times {\mathrm{415507}}^1$

素因数の和:416500

約数の個数: 48

約数和(自身を含む): 2722827248064

約数和(自身を除く): 1434431452604

約数列:

[1, 2, 4, 5, 10, 20, 197, 394, 787, 788, 985, 1574, 1970, 3148, 3935, 3940, 7870, 15740, 155039, 310078, 415507, 620156, 775195, 831014, 1550390, 1662028, 2077535, 3100780, 4155070, 8310140, 81854879, 163709758, 327004009, 327419516, 409274395, 654008018, 818548790, 1308016036, 1635020045, 1637097580, 3270040090, 6540080180, 64419789773, 128839579546, 257679159092, 322098948865, 644197897730, 1288395795460]

約数ペア:

[(1, 1288395795460), (2, 644197897730), (4, 322098948865), (5, 257679159092), (10, 128839579546), (20, 64419789773), (197, 6540080180), (394, 3270040090), (787, 1637097580), (788, 1635020045), (985, 1308016036), (1574, 818548790), (1970, 654008018), (3148, 409274395), (3935, 327419516), (3940, 327004009), (7870, 163709758), (15740, 81854879), (155039, 8310140), (310078, 4155070), (415507, 3100780), (620156, 2077535), (775195, 1662028), (831014, 1550390)]