90338870

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{173}}^1\times {\mathrm{661}}^1$

素因数の和:920

約数の個数: 32

約数和(自身を含む): 165870720

約数和(自身を除く): 75531850

約数列:

[1, 2, 5, 10, 79, 158, 173, 346, 395, 661, 790, 865, 1322, 1730, 3305, 6610, 13667, 27334, 52219, 68335, 104438, 114353, 136670, 228706, 261095, 522190, 571765, 1143530, 9033887, 18067774, 45169435, 90338870]

約数ペア:

[(1, 90338870), (2, 45169435), (5, 18067774), (10, 9033887), (79, 1143530), (158, 571765), (173, 522190), (346, 261095), (395, 228706), (661, 136670), (790, 114353), (865, 104438), (1322, 68335), (1730, 52219), (3305, 27334), (6610, 13667)]