84865420

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{1571}}^1$

素因数の和:1690

約数の個数: 48

約数和(自身を含む): 185659488

約数和(自身を除く): 100794068

約数列:

[1, 2, 4, 5, 10, 20, 37, 73, 74, 146, 148, 185, 292, 365, 370, 730, 740, 1460, 1571, 2701, 3142, 5402, 6284, 7855, 10804, 13505, 15710, 27010, 31420, 54020, 58127, 114683, 116254, 229366, 232508, 290635, 458732, 573415, 581270, 1146830, 1162540, 2293660, 4243271, 8486542, 16973084, 21216355, 42432710, 84865420]

約数ペア:

[(1, 84865420), (2, 42432710), (4, 21216355), (5, 16973084), (10, 8486542), (20, 4243271), (37, 2293660), (73, 1162540), (74, 1146830), (146, 581270), (148, 573415), (185, 458732), (292, 290635), (365, 232508), (370, 229366), (730, 116254), (740, 114683), (1460, 58127), (1571, 54020), (2701, 31420), (3142, 27010), (5402, 15710), (6284, 13505), (7855, 10804)]