202100890

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{641}}^1\times {\mathrm{769}}^1$

素因数の和:1458

約数の個数: 32

約数和(自身を含む): 373721040

約数和(自身を除く): 171620150

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 641, 769, 1282, 1538, 3205, 3845, 6410, 7690, 26281, 31529, 52562, 63058, 131405, 157645, 262810, 315290, 492929, 985858, 2464645, 4929290, 20210089, 40420178, 101050445, 202100890]

約数ペア:

[(1, 202100890), (2, 101050445), (5, 40420178), (10, 20210089), (41, 4929290), (82, 2464645), (205, 985858), (410, 492929), (641, 315290), (769, 262810), (1282, 157645), (1538, 131405), (3205, 63058), (3845, 52562), (6410, 31529), (7690, 26281)]