280766156

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1\times {\mathrm{991}}^1$

素因数の和:1190

約数の個数: 48

約数和(自身を含む): 551964672

約数和(自身を除く): 271198516

約数列:

[1, 2, 4, 11, 22, 44, 47, 94, 137, 188, 274, 517, 548, 991, 1034, 1507, 1982, 2068, 3014, 3964, 6028, 6439, 10901, 12878, 21802, 25756, 43604, 46577, 70829, 93154, 135767, 141658, 186308, 271534, 283316, 512347, 543068, 1024694, 1493437, 2049388, 2986874, 5973748, 6381049, 12762098, 25524196, 70191539, 140383078, 280766156]

約数ペア:

[(1, 280766156), (2, 140383078), (4, 70191539), (11, 25524196), (22, 12762098), (44, 6381049), (47, 5973748), (94, 2986874), (137, 2049388), (188, 1493437), (274, 1024694), (517, 543068), (548, 512347), (991, 283316), (1034, 271534), (1507, 186308), (1982, 141658), (2068, 135767), (3014, 93154), (3964, 70829), (6028, 46577), (6439, 43604), (10901, 25756), (12878, 21802)]