1398131840

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{312083}}^1$

素因数の和:312109

約数の個数: 64

約数和(自身を含む): 3819908160

約数和(自身を除く): 2421776320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 280, 320, 448, 560, 640, 896, 1120, 2240, 4480, 312083, 624166, 1248332, 1560415, 2184581, 2496664, 3120830, 4369162, 4993328, 6241660, 8738324, 9986656, 10922905, 12483320, 17476648, 19973312, 21845810, 24966640, 34953296, 39946624, 43691620, 49933280, 69906592, 87383240, 99866560, 139813184, 174766480, 199733120, 279626368, 349532960, 699065920, 1398131840]

約数ペア:

[(1, 1398131840), (2, 699065920), (4, 349532960), (5, 279626368), (7, 199733120), (8, 174766480), (10, 139813184), (14, 99866560), (16, 87383240), (20, 69906592), (28, 49933280), (32, 43691620), (35, 39946624), (40, 34953296), (56, 24966640), (64, 21845810), (70, 19973312), (80, 17476648), (112, 12483320), (128, 10922905), (140, 9986656), (160, 8738324), (224, 6241660), (280, 4993328), (320, 4369162), (448, 3120830), (560, 2496664), (640, 2184581), (896, 1560415), (1120, 1248332), (2240, 624166), (4480, 312083)]