287445260

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{15241}}^1$

素因数の和:15314

約数の個数: 48

約数和(自身を含む): 645285312

約数和(自身を除く): 357840052

約数列:

[1, 2, 4, 5, 10, 20, 23, 41, 46, 82, 92, 115, 164, 205, 230, 410, 460, 820, 943, 1886, 3772, 4715, 9430, 15241, 18860, 30482, 60964, 76205, 152410, 304820, 350543, 624881, 701086, 1249762, 1402172, 1752715, 2499524, 3124405, 3505430, 6248810, 7010860, 12497620, 14372263, 28744526, 57489052, 71861315, 143722630, 287445260]

約数ペア:

[(1, 287445260), (2, 143722630), (4, 71861315), (5, 57489052), (10, 28744526), (20, 14372263), (23, 12497620), (41, 7010860), (46, 6248810), (82, 3505430), (92, 3124405), (115, 2499524), (164, 1752715), (205, 1402172), (230, 1249762), (410, 701086), (460, 624881), (820, 350543), (943, 304820), (1886, 152410), (3772, 76205), (4715, 60964), (9430, 30482), (15241, 18860)]