174605420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{3137}}^1$

素因数の和:3191

約数の個数: 72

約数和(自身を含む): 420692832

約数和(自身を除く): 246087412

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 44, 46, 55, 92, 110, 115, 121, 220, 230, 242, 253, 460, 484, 506, 605, 1012, 1210, 1265, 2420, 2530, 2783, 3137, 5060, 5566, 6274, 11132, 12548, 13915, 15685, 27830, 31370, 34507, 55660, 62740, 69014, 72151, 138028, 144302, 172535, 288604, 345070, 360755, 379577, 690140, 721510, 759154, 793661, 1443020, 1518308, 1587322, 1897885, 3174644, 3795770, 3968305, 7591540, 7936610, 8730271, 15873220, 17460542, 34921084, 43651355, 87302710, 174605420]

約数ペア:

[(1, 174605420), (2, 87302710), (4, 43651355), (5, 34921084), (10, 17460542), (11, 15873220), (20, 8730271), (22, 7936610), (23, 7591540), (44, 3968305), (46, 3795770), (55, 3174644), (92, 1897885), (110, 1587322), (115, 1518308), (121, 1443020), (220, 793661), (230, 759154), (242, 721510), (253, 690140), (460, 379577), (484, 360755), (506, 345070), (605, 288604), (1012, 172535), (1210, 144302), (1265, 138028), (2420, 72151), (2530, 69014), (2783, 62740), (3137, 55660), (5060, 34507), (5566, 31370), (6274, 27830), (11132, 15685), (12548, 13915)]