89880340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{2053}}^1$

素因数の和:2272

約数の個数: 48

約数和(自身を含む): 207043200

約数和(自身を除く): 117162860

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 199, 220, 398, 796, 995, 1990, 2053, 2189, 3980, 4106, 4378, 8212, 8756, 10265, 10945, 20530, 21890, 22583, 41060, 43780, 45166, 90332, 112915, 225830, 408547, 451660, 817094, 1634188, 2042735, 4085470, 4494017, 8170940, 8988034, 17976068, 22470085, 44940170, 89880340]

約数ペア:

[(1, 89880340), (2, 44940170), (4, 22470085), (5, 17976068), (10, 8988034), (11, 8170940), (20, 4494017), (22, 4085470), (44, 2042735), (55, 1634188), (110, 817094), (199, 451660), (220, 408547), (398, 225830), (796, 112915), (995, 90332), (1990, 45166), (2053, 43780), (2189, 41060), (3980, 22583), (4106, 21890), (4378, 20530), (8212, 10945), (8756, 10265)]