201612380

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{3499}}^1$

素因数の和:3618

約数の個数: 48

約数和(自身を含む): 439824000

約数和(自身を除く): 238211620

約数列:

[1, 2, 4, 5, 10, 20, 43, 67, 86, 134, 172, 215, 268, 335, 430, 670, 860, 1340, 2881, 3499, 5762, 6998, 11524, 13996, 14405, 17495, 28810, 34990, 57620, 69980, 150457, 234433, 300914, 468866, 601828, 752285, 937732, 1172165, 1504570, 2344330, 3009140, 4688660, 10080619, 20161238, 40322476, 50403095, 100806190, 201612380]

約数ペア:

[(1, 201612380), (2, 100806190), (4, 50403095), (5, 40322476), (10, 20161238), (20, 10080619), (43, 4688660), (67, 3009140), (86, 2344330), (134, 1504570), (172, 1172165), (215, 937732), (268, 752285), (335, 601828), (430, 468866), (670, 300914), (860, 234433), (1340, 150457), (2881, 69980), (3499, 57620), (5762, 34990), (6998, 28810), (11524, 17495), (13996, 14405)]