280722.0000000

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{1229}}^1$

素因数の和:1355

約数の個数: 24

約数和(自身を含む): 13259400

約数和(自身を除く): 6293428

約数列:

[1, 2, 4, 13, 26, 52, 109, 218, 436, 1229, 1417, 2458, 2834, 4916, 5668, 15977, 31954, 63908, 133961, 267922, 535844, 1741493, 3482986, 6965972]

約数ペア:

[(1, 6965972), (2, 3482986), (4, 1741493), (13, 535844), (26, 267922), (52, 133961), (109, 63908), (218, 31954), (436, 15977), (1229, 5668), (1417, 4916), (2458, 2834)]