397492730

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{419}}^1\times {\mathrm{4993}}^1$

素因数の和:5438

約数の個数: 32

約数和(自身を含む): 755092800

約数和(自身を除く): 357600070

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 419, 838, 2095, 4190, 4993, 7961, 9986, 15922, 24965, 39805, 49930, 79610, 94867, 189734, 474335, 948670, 2092067, 4184134, 10460335, 20920670, 39749273, 79498546, 198746365, 397492730]

約数ペア:

[(1, 397492730), (2, 198746365), (5, 79498546), (10, 39749273), (19, 20920670), (38, 10460335), (95, 4184134), (190, 2092067), (419, 948670), (838, 474335), (2095, 189734), (4190, 94867), (4993, 79610), (7961, 49930), (9986, 39805), (15922, 24965)]