4089940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{229}}^1$

素因数の和:304

約数の個数: 48

約数和(自身を含む): 9273600

約数和(自身を除く): 5183660

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 47, 76, 94, 95, 188, 190, 229, 235, 380, 458, 470, 893, 916, 940, 1145, 1786, 2290, 3572, 4351, 4465, 4580, 8702, 8930, 10763, 17404, 17860, 21526, 21755, 43052, 43510, 53815, 87020, 107630, 204497, 215260, 408994, 817988, 1022485, 2044970, 4089940]

約数ペア:

[(1, 4089940), (2, 2044970), (4, 1022485), (5, 817988), (10, 408994), (19, 215260), (20, 204497), (38, 107630), (47, 87020), (76, 53815), (94, 43510), (95, 43052), (188, 21755), (190, 21526), (229, 17860), (235, 17404), (380, 10763), (458, 8930), (470, 8702), (893, 4580), (916, 4465), (940, 4351), (1145, 3572), (1786, 2290)]