406428290

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{14731}}^1$

素因数の和:14858

約数の個数: 32

約数和(自身を含む): 763706880

約数和(自身を除く): 357278590

約数列:

[1, 2, 5, 10, 31, 62, 89, 155, 178, 310, 445, 890, 2759, 5518, 13795, 14731, 27590, 29462, 73655, 147310, 456661, 913322, 1311059, 2283305, 2622118, 4566610, 6555295, 13110590, 40642829, 81285658, 203214145, 406428290]

約数ペア:

[(1, 406428290), (2, 203214145), (5, 81285658), (10, 40642829), (31, 13110590), (62, 6555295), (89, 4566610), (155, 2622118), (178, 2283305), (310, 1311059), (445, 913322), (890, 456661), (2759, 147310), (5518, 73655), (13795, 29462), (14731, 27590)]