156735140

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{181}}^1\times {\mathrm{1493}}^1$

素因数の和:1712

約数の個数: 48

約数和(自身を含む): 342604080

約数和(自身を除く): 185868940

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 181, 290, 362, 580, 724, 905, 1493, 1810, 2986, 3620, 5249, 5972, 7465, 10498, 14930, 20996, 26245, 29860, 43297, 52490, 86594, 104980, 173188, 216485, 270233, 432970, 540466, 865940, 1080932, 1351165, 2702330, 5404660, 7836757, 15673514, 31347028, 39183785, 78367570, 156735140]

約数ペア:

[(1, 156735140), (2, 78367570), (4, 39183785), (5, 31347028), (10, 15673514), (20, 7836757), (29, 5404660), (58, 2702330), (116, 1351165), (145, 1080932), (181, 865940), (290, 540466), (362, 432970), (580, 270233), (724, 216485), (905, 173188), (1493, 104980), (1810, 86594), (2986, 52490), (3620, 43297), (5249, 29860), (5972, 26245), (7465, 20996), (10498, 14930)]