208516390

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{3137}}^1$

素因数の和:3201

約数の個数: 48

約数和(自身を含む): 416174112

約数和(自身を除く): 207657722

約数列:

[1, 2, 5, 10, 17, 23, 34, 46, 85, 115, 170, 230, 289, 391, 578, 782, 1445, 1955, 2890, 3137, 3910, 6274, 6647, 13294, 15685, 31370, 33235, 53329, 66470, 72151, 106658, 144302, 266645, 360755, 533290, 721510, 906593, 1226567, 1813186, 2453134, 4532965, 6132835, 9065930, 12265670, 20851639, 41703278, 104258195, 208516390]

約数ペア:

[(1, 208516390), (2, 104258195), (5, 41703278), (10, 20851639), (17, 12265670), (23, 9065930), (34, 6132835), (46, 4532965), (85, 2453134), (115, 1813186), (170, 1226567), (230, 906593), (289, 721510), (391, 533290), (578, 360755), (782, 266645), (1445, 144302), (1955, 106658), (2890, 72151), (3137, 66470), (3910, 53329), (6274, 33235), (6647, 31370), (13294, 15685)]