290845072

素因数分解:

$2^4\times 7^1\times {\mathrm{61}}^1\times {\mathrm{42571}}^1$

素因数の和:42647

約数の個数: 40

約数和(自身を含む): 654587072

約数和(自身を除く): 363742000

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 61, 112, 122, 244, 427, 488, 854, 976, 1708, 3416, 6832, 42571, 85142, 170284, 297997, 340568, 595994, 681136, 1191988, 2383976, 2596831, 4767952, 5193662, 10387324, 18177817, 20774648, 36355634, 41549296, 72711268, 145422536, 290845072]

約数ペア:

[(1, 290845072), (2, 145422536), (4, 72711268), (7, 41549296), (8, 36355634), (14, 20774648), (16, 18177817), (28, 10387324), (56, 5193662), (61, 4767952), (112, 2596831), (122, 2383976), (244, 1191988), (427, 681136), (488, 595994), (854, 340568), (976, 297997), (1708, 170284), (3416, 85142), (6832, 42571)]