189946280

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{139}}^1\times {\mathrm{269}}^1$

素因数の和:546

約数の個数: 64

約数和(自身を含む): 435456000

約数和(自身を除く): 245509720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 139, 254, 269, 278, 508, 538, 556, 635, 695, 1016, 1076, 1112, 1270, 1345, 1390, 2152, 2540, 2690, 2780, 5080, 5380, 5560, 10760, 17653, 34163, 35306, 37391, 68326, 70612, 74782, 88265, 136652, 141224, 149564, 170815, 176530, 186955, 273304, 299128, 341630, 353060, 373910, 683260, 706120, 747820, 1366520, 1495640, 4748657, 9497314, 18994628, 23743285, 37989256, 47486570, 94973140, 189946280]

約数ペア:

[(1, 189946280), (2, 94973140), (4, 47486570), (5, 37989256), (8, 23743285), (10, 18994628), (20, 9497314), (40, 4748657), (127, 1495640), (139, 1366520), (254, 747820), (269, 706120), (278, 683260), (508, 373910), (538, 353060), (556, 341630), (635, 299128), (695, 273304), (1016, 186955), (1076, 176530), (1112, 170815), (1270, 149564), (1345, 141224), (1390, 136652), (2152, 88265), (2540, 74782), (2690, 70612), (2780, 68326), (5080, 37391), (5380, 35306), (5560, 34163), (10760, 17653)]