8305220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{5393}}^1$

素因数の和:5420

約数の個数: 48

約数和(自身を含む): 21748608

約数和(自身を除く): 13443388

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, 5393, 10786, 21572, 26965, 37751, 53930, 59323, 75502, 107860, 118646, 151004, 188755, 237292, 296615, 377510, 415261, 593230, 755020, 830522, 1186460, 1661044, 2076305, 4152610, 8305220]

約数ペア:

[(1, 8305220), (2, 4152610), (4, 2076305), (5, 1661044), (7, 1186460), (10, 830522), (11, 755020), (14, 593230), (20, 415261), (22, 377510), (28, 296615), (35, 237292), (44, 188755), (55, 151004), (70, 118646), (77, 107860), (110, 75502), (140, 59323), (154, 53930), (220, 37751), (308, 26965), (385, 21572), (770, 10786), (1540, 5393)]