205084330

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{787}}^1$

素因数の和:931

約数の個数: 64

約数和(自身を含む): 424839168

約数和(自身を除く): 219754838

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 103, 110, 115, 206, 230, 253, 506, 515, 787, 1030, 1133, 1265, 1574, 2266, 2369, 2530, 3935, 4738, 5665, 7870, 8657, 11330, 11845, 17314, 18101, 23690, 26059, 36202, 43285, 52118, 81061, 86570, 90505, 130295, 162122, 181010, 199111, 260590, 398222, 405305, 810610, 891671, 995555, 1783342, 1864403, 1991110, 3728806, 4458355, 8916710, 9322015, 18644030, 20508433, 41016866, 102542165, 205084330]

約数ペア:

[(1, 205084330), (2, 102542165), (5, 41016866), (10, 20508433), (11, 18644030), (22, 9322015), (23, 8916710), (46, 4458355), (55, 3728806), (103, 1991110), (110, 1864403), (115, 1783342), (206, 995555), (230, 891671), (253, 810610), (506, 405305), (515, 398222), (787, 260590), (1030, 199111), (1133, 181010), (1265, 162122), (1574, 130295), (2266, 90505), (2369, 86570), (2530, 81061), (3935, 52118), (4738, 43285), (5665, 36202), (7870, 26059), (8657, 23690), (11330, 18101), (11845, 17314)]