27868180

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{1289}}^1$

素因数の和:1368

約数の個数: 48

約数和(自身を含む): 62415360

約数和(自身を除く): 34547180

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 47, 92, 94, 115, 188, 230, 235, 460, 470, 940, 1081, 1289, 2162, 2578, 4324, 5156, 5405, 6445, 10810, 12890, 21620, 25780, 29647, 59294, 60583, 118588, 121166, 148235, 242332, 296470, 302915, 592940, 605830, 1211660, 1393409, 2786818, 5573636, 6967045, 13934090, 27868180]

約数ペア:

[(1, 27868180), (2, 13934090), (4, 6967045), (5, 5573636), (10, 2786818), (20, 1393409), (23, 1211660), (46, 605830), (47, 592940), (92, 302915), (94, 296470), (115, 242332), (188, 148235), (230, 121166), (235, 118588), (460, 60583), (470, 59294), (940, 29647), (1081, 25780), (1289, 21620), (2162, 12890), (2578, 10810), (4324, 6445), (5156, 5405)]