257510010

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{1669}}^1$

素因数の和:1855

約数の個数: 64

約数和(自身を含む): 639676800

約数和(自身を除く): 382166790

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 37, 74, 111, 139, 185, 222, 278, 370, 417, 555, 695, 834, 1110, 1390, 1669, 2085, 3338, 4170, 5007, 5143, 8345, 10014, 10286, 15429, 16690, 25035, 25715, 30858, 50070, 51430, 61753, 77145, 123506, 154290, 185259, 231991, 308765, 370518, 463982, 617530, 695973, 926295, 1159955, 1391946, 1852590, 2319910, 3479865, 6959730, 8583667, 17167334, 25751001, 42918335, 51502002, 85836670, 128755005, 257510010]

約数ペア:

[(1, 257510010), (2, 128755005), (3, 85836670), (5, 51502002), (6, 42918335), (10, 25751001), (15, 17167334), (30, 8583667), (37, 6959730), (74, 3479865), (111, 2319910), (139, 1852590), (185, 1391946), (222, 1159955), (278, 926295), (370, 695973), (417, 617530), (555, 463982), (695, 370518), (834, 308765), (1110, 231991), (1390, 185259), (1669, 154290), (2085, 123506), (3338, 77145), (4170, 61753), (5007, 51430), (5143, 50070), (8345, 30858), (10014, 25715), (10286, 25035), (15429, 16690)]