208013530

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{167}}^1\times {\mathrm{431}}^1$

素因数の和:639

約数の個数: 48

約数和(自身を含む): 401054976

約数和(自身を除く): 193041446

約数列:

[1, 2, 5, 10, 17, 34, 85, 167, 170, 289, 334, 431, 578, 835, 862, 1445, 1670, 2155, 2839, 2890, 4310, 5678, 7327, 14195, 14654, 28390, 36635, 48263, 71977, 73270, 96526, 124559, 143954, 241315, 249118, 359885, 482630, 622795, 719770, 1223609, 1245590, 2447218, 6118045, 12236090, 20801353, 41602706, 104006765, 208013530]

約数ペア:

[(1, 208013530), (2, 104006765), (5, 41602706), (10, 20801353), (17, 12236090), (34, 6118045), (85, 2447218), (167, 1245590), (170, 1223609), (289, 719770), (334, 622795), (431, 482630), (578, 359885), (835, 249118), (862, 241315), (1445, 143954), (1670, 124559), (2155, 96526), (2839, 73270), (2890, 71977), (4310, 48263), (5678, 36635), (7327, 28390), (14195, 14654)]