139386788240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{248904979}}^1$

素因数の和:248904999

約数の個数: 40

約数和(自身を含む): 370370610240

約数和(自身を除く): 230983822000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 248904979, 497809958, 995619916, 1244524895, 1742334853, 1991239832, 2489049790, 3484669706, 3982479664, 4978099580, 6969339412, 8711674265, 9956199160, 13938678824, 17423348530, 19912398320, 27877357648, 34846697060, 69693394120, 139386788240]

約数ペア:

[(1, 139386788240), (2, 69693394120), (4, 34846697060), (5, 27877357648), (7, 19912398320), (8, 17423348530), (10, 13938678824), (14, 9956199160), (16, 8711674265), (20, 6969339412), (28, 4978099580), (35, 3982479664), (40, 3484669706), (56, 2489049790), (70, 1991239832), (80, 1742334853), (112, 1244524895), (140, 995619916), (280, 497809958), (560, 248904979)]