2178320

素因数分解:

$2^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{373}}^1$

素因数の和:459

約数の個数: 40

約数和(自身を含む): 5147736

約数和(自身を除く): 2969416

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 73, 80, 146, 292, 365, 373, 584, 730, 746, 1168, 1460, 1492, 1865, 2920, 2984, 3730, 5840, 5968, 7460, 14920, 27229, 29840, 54458, 108916, 136145, 217832, 272290, 435664, 544580, 1089160, 2178320]

約数ペア:

[(1, 2178320), (2, 1089160), (4, 544580), (5, 435664), (8, 272290), (10, 217832), (16, 136145), (20, 108916), (40, 54458), (73, 29840), (80, 27229), (146, 14920), (292, 7460), (365, 5968), (373, 5840), (584, 3730), (730, 2984), (746, 2920), (1168, 1865), (1460, 1492)]