280812.0000000

素因数分解:

$2^6\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1$

素因数の和:209

約数の個数: 56

約数和(自身を含む): 8668512

約数和(自身を除く): 4739744

約数列:

[1, 2, 4, 8, 16, 17, 23, 32, 34, 46, 64, 68, 92, 136, 157, 184, 272, 314, 368, 391, 544, 628, 736, 782, 1088, 1256, 1472, 1564, 2512, 2669, 3128, 3611, 5024, 5338, 6256, 7222, 10048, 10676, 12512, 14444, 21352, 25024, 28888, 42704, 57776, 61387, 85408, 115552, 122774, 170816, 231104, 245548, 491096, 982192, 1964384, 3928768]

約数ペア:

[(1, 3928768), (2, 1964384), (4, 982192), (8, 491096), (16, 245548), (17, 231104), (23, 170816), (32, 122774), (34, 115552), (46, 85408), (64, 61387), (68, 57776), (92, 42704), (136, 28888), (157, 25024), (184, 21352), (272, 14444), (314, 12512), (368, 10676), (391, 10048), (544, 7222), (628, 6256), (736, 5338), (782, 5024), (1088, 3611), (1256, 3128), (1472, 2669), (1564, 2512)]