11991740

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{199}}^1$

素因数の和:362

約数の個数: 48

約数和(自身を含む): 26611200

約数和(自身を除く): 14619460

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 131, 199, 230, 262, 398, 460, 524, 655, 796, 995, 1310, 1990, 2620, 3013, 3980, 4577, 6026, 9154, 12052, 15065, 18308, 22885, 26069, 30130, 45770, 52138, 60260, 91540, 104276, 130345, 260690, 521380, 599587, 1199174, 2398348, 2997935, 5995870, 11991740]

約数ペア:

[(1, 11991740), (2, 5995870), (4, 2997935), (5, 2398348), (10, 1199174), (20, 599587), (23, 521380), (46, 260690), (92, 130345), (115, 104276), (131, 91540), (199, 60260), (230, 52138), (262, 45770), (398, 30130), (460, 26069), (524, 22885), (655, 18308), (796, 15065), (995, 12052), (1310, 9154), (1990, 6026), (2620, 4577), (3013, 3980)]