7682440

素因数分解:

$2^3\times 5^1\times {\mathrm{149}}^1\times {\mathrm{1289}}^1$

素因数の和:1449

約数の個数: 32

約数和(自身を含む): 17415000

約数和(自身を除く): 9732560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 149, 298, 596, 745, 1192, 1289, 1490, 2578, 2980, 5156, 5960, 6445, 10312, 12890, 25780, 51560, 192061, 384122, 768244, 960305, 1536488, 1920610, 3841220, 7682440]

約数ペア:

[(1, 7682440), (2, 3841220), (4, 1920610), (5, 1536488), (8, 960305), (10, 768244), (20, 384122), (40, 192061), (149, 51560), (298, 25780), (596, 12890), (745, 10312), (1192, 6445), (1289, 5960), (1490, 5156), (2578, 2980)]