1280454850

素因数分解:

$2^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{223}}^1\times {\mathrm{4993}}^1$

素因数の和:5251

約数の個数: 48

約数和(自身を含む): 2496840192

約数和(自身を除く): 1216385342

約数列:

[1, 2, 5, 10, 23, 25, 46, 50, 115, 223, 230, 446, 575, 1115, 1150, 2230, 4993, 5129, 5575, 9986, 10258, 11150, 24965, 25645, 49930, 51290, 114839, 124825, 128225, 229678, 249650, 256450, 574195, 1113439, 1148390, 2226878, 2870975, 5567195, 5741950, 11134390, 25609097, 27835975, 51218194, 55671950, 128045485, 256090970, 640227425, 1280454850]

約数ペア:

[(1, 1280454850), (2, 640227425), (5, 256090970), (10, 128045485), (23, 55671950), (25, 51218194), (46, 27835975), (50, 25609097), (115, 11134390), (223, 5741950), (230, 5567195), (446, 2870975), (575, 2226878), (1115, 1148390), (1150, 1113439), (2230, 574195), (4993, 256450), (5129, 249650), (5575, 229678), (9986, 128225), (10258, 124825), (11150, 114839), (24965, 51290), (25645, 49930)]