89789020

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{1493}}^1$

素因数の和:1630

約数の個数: 48

約数和(自身を含む): 196777728

約数和(自身を除く): 106988708

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 97, 124, 155, 194, 310, 388, 485, 620, 970, 1493, 1940, 2986, 3007, 5972, 6014, 7465, 12028, 14930, 15035, 29860, 30070, 46283, 60140, 92566, 144821, 185132, 231415, 289642, 462830, 579284, 724105, 925660, 1448210, 2896420, 4489451, 8978902, 17957804, 22447255, 44894510, 89789020]

約数ペア:

[(1, 89789020), (2, 44894510), (4, 22447255), (5, 17957804), (10, 8978902), (20, 4489451), (31, 2896420), (62, 1448210), (97, 925660), (124, 724105), (155, 579284), (194, 462830), (310, 289642), (388, 231415), (485, 185132), (620, 144821), (970, 92566), (1493, 60140), (1940, 46283), (2986, 30070), (3007, 29860), (5972, 15035), (6014, 14930), (7465, 12028)]