90105260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{27983}}^1$

素因数の和:28022

約数の個数: 48

約数和(自身を含む): 225662976

約数和(自身を除く): 135557716

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 3220, 27983, 55966, 111932, 139915, 195881, 279830, 391762, 559660, 643609, 783524, 979405, 1287218, 1958810, 2574436, 3218045, 3917620, 4505263, 6436090, 9010526, 12872180, 18021052, 22526315, 45052630, 90105260]

約数ペア:

[(1, 90105260), (2, 45052630), (4, 22526315), (5, 18021052), (7, 12872180), (10, 9010526), (14, 6436090), (20, 4505263), (23, 3917620), (28, 3218045), (35, 2574436), (46, 1958810), (70, 1287218), (92, 979405), (115, 783524), (140, 643609), (161, 559660), (230, 391762), (322, 279830), (460, 195881), (644, 139915), (805, 111932), (1610, 55966), (3220, 27983)]