77821660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{11827}}^1$

素因数の和:11890

約数の個数: 48

約数和(自身を含む): 190761984

約数和(自身を除く): 112940324

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 70, 94, 140, 188, 235, 329, 470, 658, 940, 1316, 1645, 3290, 6580, 11827, 23654, 47308, 59135, 82789, 118270, 165578, 236540, 331156, 413945, 555869, 827890, 1111738, 1655780, 2223476, 2779345, 3891083, 5558690, 7782166, 11117380, 15564332, 19455415, 38910830, 77821660]

約数ペア:

[(1, 77821660), (2, 38910830), (4, 19455415), (5, 15564332), (7, 11117380), (10, 7782166), (14, 5558690), (20, 3891083), (28, 2779345), (35, 2223476), (47, 1655780), (70, 1111738), (94, 827890), (140, 555869), (188, 413945), (235, 331156), (329, 236540), (470, 165578), (658, 118270), (940, 82789), (1316, 59135), (1645, 47308), (3290, 23654), (6580, 11827)]