209080060

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{191}}^1\times {\mathrm{1117}}^1$

素因数の和:1331

約数の個数: 72

約数和(自身を含む): 513886464

約数和(自身を除く): 304806404

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 191, 196, 245, 382, 490, 764, 955, 980, 1117, 1337, 1910, 2234, 2674, 3820, 4468, 5348, 5585, 6685, 7819, 9359, 11170, 13370, 15638, 18718, 22340, 26740, 31276, 37436, 39095, 46795, 54733, 78190, 93590, 109466, 156380, 187180, 213347, 218932, 273665, 426694, 547330, 853388, 1066735, 1094660, 1493429, 2133470, 2986858, 4266940, 5973716, 7467145, 10454003, 14934290, 20908006, 29868580, 41816012, 52270015, 104540030, 209080060]

約数ペア:

[(1, 209080060), (2, 104540030), (4, 52270015), (5, 41816012), (7, 29868580), (10, 20908006), (14, 14934290), (20, 10454003), (28, 7467145), (35, 5973716), (49, 4266940), (70, 2986858), (98, 2133470), (140, 1493429), (191, 1094660), (196, 1066735), (245, 853388), (382, 547330), (490, 426694), (764, 273665), (955, 218932), (980, 213347), (1117, 187180), (1337, 156380), (1910, 109466), (2234, 93590), (2674, 78190), (3820, 54733), (4468, 46795), (5348, 39095), (5585, 37436), (6685, 31276), (7819, 26740), (9359, 22340), (11170, 18718), (13370, 15638)]