8645420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{1669}}^1$

素因数の和:1722

約数の個数: 48

約数和(自身を含む): 21322560

約数和(自身を除く): 12677140

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 70, 74, 140, 148, 185, 259, 370, 518, 740, 1036, 1295, 1669, 2590, 3338, 5180, 6676, 8345, 11683, 16690, 23366, 33380, 46732, 58415, 61753, 116830, 123506, 233660, 247012, 308765, 432271, 617530, 864542, 1235060, 1729084, 2161355, 4322710, 8645420]

約数ペア:

[(1, 8645420), (2, 4322710), (4, 2161355), (5, 1729084), (7, 1235060), (10, 864542), (14, 617530), (20, 432271), (28, 308765), (35, 247012), (37, 233660), (70, 123506), (74, 116830), (140, 61753), (148, 58415), (185, 46732), (259, 33380), (370, 23366), (518, 16690), (740, 11683), (1036, 8345), (1295, 6676), (1669, 5180), (2590, 3338)]