187454020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{3623}}^1$

素因数の和:3844

約数の個数: 48

約数和(自身を含む): 426182400

約数和(自身を除く): 238728380

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 199, 260, 398, 796, 995, 1990, 2587, 3623, 3980, 5174, 7246, 10348, 12935, 14492, 18115, 25870, 36230, 47099, 51740, 72460, 94198, 188396, 235495, 470990, 720977, 941980, 1441954, 2883908, 3604885, 7209770, 9372701, 14419540, 18745402, 37490804, 46863505, 93727010, 187454020]

約数ペア:

[(1, 187454020), (2, 93727010), (4, 46863505), (5, 37490804), (10, 18745402), (13, 14419540), (20, 9372701), (26, 7209770), (52, 3604885), (65, 2883908), (130, 1441954), (199, 941980), (260, 720977), (398, 470990), (796, 235495), (995, 188396), (1990, 94198), (2587, 72460), (3623, 51740), (3980, 47099), (5174, 36230), (7246, 25870), (10348, 18115), (12935, 14492)]