7991060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{5189}}^1$

素因数の和:5216

約数の個数: 48

約数和(自身を含む): 20926080

約数和(自身を除く): 12935020

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 5189, 10378, 20756, 25945, 36323, 51890, 57079, 72646, 103780, 114158, 145292, 181615, 228316, 285395, 363230, 399553, 570790, 726460, 799106, 1141580, 1598212, 1997765, 3995530, 7991060]

約数ペア:

[(1, 7991060), (2, 3995530), (4, 1997765), (5, 1598212), (7, 1141580), (10, 799106), (11, 726460), (14, 570790), (20, 399553), (22, 363230), (28, 285395), (35, 228316), (44, 181615), (55, 145292), (70, 114158), (77, 103780), (110, 72646), (140, 57079), (154, 51890), (220, 36323), (308, 25945), (385, 20756), (770, 10378), (1540, 5189)]