278323540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{269}}^1\times {\mathrm{4703}}^1$

素因数の和:4992

約数の個数: 48

約数和(自身を含む): 640120320

約数和(自身を除く): 361796780

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 269, 538, 1076, 1345, 2690, 2959, 4703, 5380, 5918, 9406, 11836, 14795, 18812, 23515, 29590, 47030, 51733, 59180, 94060, 103466, 206932, 258665, 517330, 1034660, 1265107, 2530214, 5060428, 6325535, 12651070, 13916177, 25302140, 27832354, 55664708, 69580885, 139161770, 278323540]

約数ペア:

[(1, 278323540), (2, 139161770), (4, 69580885), (5, 55664708), (10, 27832354), (11, 25302140), (20, 13916177), (22, 12651070), (44, 6325535), (55, 5060428), (110, 2530214), (220, 1265107), (269, 1034660), (538, 517330), (1076, 258665), (1345, 206932), (2690, 103466), (2959, 94060), (4703, 59180), (5380, 51733), (5918, 47030), (9406, 29590), (11836, 23515), (14795, 18812)]