200723990

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{11047}}^1$

素因数の和:11156

約数の個数: 32

約数和(自身を含む): 381818880

約数和(自身を除く): 181094890

約数列:

[1, 2, 5, 10, 23, 46, 79, 115, 158, 230, 395, 790, 1817, 3634, 9085, 11047, 18170, 22094, 55235, 110470, 254081, 508162, 872713, 1270405, 1745426, 2540810, 4363565, 8727130, 20072399, 40144798, 100361995, 200723990]

約数ペア:

[(1, 200723990), (2, 100361995), (5, 40144798), (10, 20072399), (23, 8727130), (46, 4363565), (79, 2540810), (115, 1745426), (158, 1270405), (230, 872713), (395, 508162), (790, 254081), (1817, 110470), (3634, 55235), (9085, 22094), (11047, 18170)]