286745420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{883}}^1\times {\mathrm{1249}}^1$

素因数の和:2154

約数の個数: 48

約数和(自身を含む): 649740000

約数和(自身を除く): 362994580

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 883, 1249, 1766, 2498, 3532, 4415, 4996, 6245, 8830, 11479, 12490, 16237, 17660, 22958, 24980, 32474, 45916, 57395, 64948, 81185, 114790, 162370, 229580, 324740, 1102867, 2205734, 4411468, 5514335, 11028670, 14337271, 22057340, 28674542, 57349084, 71686355, 143372710, 286745420]

約数ペア:

[(1, 286745420), (2, 143372710), (4, 71686355), (5, 57349084), (10, 28674542), (13, 22057340), (20, 14337271), (26, 11028670), (52, 5514335), (65, 4411468), (130, 2205734), (260, 1102867), (883, 324740), (1249, 229580), (1766, 162370), (2498, 114790), (3532, 81185), (4415, 64948), (4996, 57395), (6245, 45916), (8830, 32474), (11479, 24980), (12490, 22958), (16237, 17660)]