1867505480

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{421}}^1\times {\mathrm{2579}}^1$

素因数の和:3054

約数の個数: 64

約数和(自身を含む): 4311489600

約数和(自身を除く): 2443984120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 421, 430, 842, 860, 1684, 1720, 2105, 2579, 3368, 4210, 5158, 8420, 10316, 12895, 16840, 18103, 20632, 25790, 36206, 51580, 72412, 90515, 103160, 110897, 144824, 181030, 221794, 362060, 443588, 554485, 724120, 887176, 1085759, 1108970, 2171518, 2217940, 4343036, 4435880, 5428795, 8686072, 10857590, 21715180, 43430360, 46687637, 93375274, 186750548, 233438185, 373501096, 466876370, 933752740, 1867505480]

約数ペア:

[(1, 1867505480), (2, 933752740), (4, 466876370), (5, 373501096), (8, 233438185), (10, 186750548), (20, 93375274), (40, 46687637), (43, 43430360), (86, 21715180), (172, 10857590), (215, 8686072), (344, 5428795), (421, 4435880), (430, 4343036), (842, 2217940), (860, 2171518), (1684, 1108970), (1720, 1085759), (2105, 887176), (2579, 724120), (3368, 554485), (4210, 443588), (5158, 362060), (8420, 221794), (10316, 181030), (12895, 144824), (16840, 110897), (18103, 103160), (20632, 90515), (25790, 72412), (36206, 51580)]