78865790

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{151}}^1\times {\mathrm{1801}}^1$

素因数の和:1988

約数の個数: 32

約数和(自身を含む): 147908160

約数和(自身を除く): 69042370

約数列:

[1, 2, 5, 10, 29, 58, 145, 151, 290, 302, 755, 1510, 1801, 3602, 4379, 8758, 9005, 18010, 21895, 43790, 52229, 104458, 261145, 271951, 522290, 543902, 1359755, 2719510, 7886579, 15773158, 39432895, 78865790]

約数ペア:

[(1, 78865790), (2, 39432895), (5, 15773158), (10, 7886579), (29, 2719510), (58, 1359755), (145, 543902), (151, 522290), (290, 271951), (302, 261145), (755, 104458), (1510, 52229), (1801, 43790), (3602, 21895), (4379, 18010), (8758, 9005)]