4390551980

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2137}}^1\times {\mathrm{2389}}^1$

素因数の和:4578

約数の個数: 48

約数和(自身を含む): 9442947360

約数和(自身を除く): 5052395380

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 2137, 2389, 4274, 4778, 8548, 9556, 10685, 11945, 21370, 23890, 42740, 47780, 91891, 102727, 183782, 205454, 367564, 410908, 459455, 513635, 918910, 1027270, 1837820, 2054540, 5105293, 10210586, 20421172, 25526465, 51052930, 102105860, 219527599, 439055198, 878110396, 1097637995, 2195275990, 4390551980]

約数ペア:

[(1, 4390551980), (2, 2195275990), (4, 1097637995), (5, 878110396), (10, 439055198), (20, 219527599), (43, 102105860), (86, 51052930), (172, 25526465), (215, 20421172), (430, 10210586), (860, 5105293), (2137, 2054540), (2389, 1837820), (4274, 1027270), (4778, 918910), (8548, 513635), (9556, 459455), (10685, 410908), (11945, 367564), (21370, 205454), (23890, 183782), (42740, 102727), (47780, 91891)]