788352820

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{20287}}^1$

素因数の和:20392

約数の個数: 48

約数和(自身を含む): 1738275840

約数和(自身を除く): 949923020

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 67, 116, 134, 145, 268, 290, 335, 580, 670, 1340, 1943, 3886, 7772, 9715, 19430, 20287, 38860, 40574, 81148, 101435, 202870, 405740, 588323, 1176646, 1359229, 2353292, 2718458, 2941615, 5436916, 5883230, 6796145, 11766460, 13592290, 27184580, 39417641, 78835282, 157670564, 197088205, 394176410, 788352820]

約数ペア:

[(1, 788352820), (2, 394176410), (4, 197088205), (5, 157670564), (10, 78835282), (20, 39417641), (29, 27184580), (58, 13592290), (67, 11766460), (116, 6796145), (134, 5883230), (145, 5436916), (268, 2941615), (290, 2718458), (335, 2353292), (580, 1359229), (670, 1176646), (1340, 588323), (1943, 405740), (3886, 202870), (7772, 101435), (9715, 81148), (19430, 40574), (20287, 38860)]