78153020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{2593}}^1$

素因数の和:2750

約数の個数: 48

約数和(自身を含む): 180417888

約数和(自身を除く): 102264868

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 137, 220, 274, 548, 685, 1370, 1507, 2593, 2740, 3014, 5186, 6028, 7535, 10372, 12965, 15070, 25930, 28523, 30140, 51860, 57046, 114092, 142615, 285230, 355241, 570460, 710482, 1420964, 1776205, 3552410, 3907651, 7104820, 7815302, 15630604, 19538255, 39076510, 78153020]

約数ペア:

[(1, 78153020), (2, 39076510), (4, 19538255), (5, 15630604), (10, 7815302), (11, 7104820), (20, 3907651), (22, 3552410), (44, 1776205), (55, 1420964), (110, 710482), (137, 570460), (220, 355241), (274, 285230), (548, 142615), (685, 114092), (1370, 57046), (1507, 51860), (2593, 30140), (2740, 28523), (3014, 25930), (5186, 15070), (6028, 12965), (7535, 10372)]