280890532

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{2179}}^1$

素因数の和:2300

約数の個数: 48

約数和(自身を含む): 552045760

約数和(自身を除く): 271155228

約数列:

[1, 2, 4, 13, 26, 37, 52, 67, 74, 134, 148, 268, 481, 871, 962, 1742, 1924, 2179, 2479, 3484, 4358, 4958, 8716, 9916, 28327, 32227, 56654, 64454, 80623, 113308, 128908, 145993, 161246, 291986, 322492, 583972, 1048099, 1897909, 2096198, 3795818, 4192396, 5401741, 7591636, 10803482, 21606964, 70222633, 140445266, 280890532]

約数ペア:

[(1, 280890532), (2, 140445266), (4, 70222633), (13, 21606964), (26, 10803482), (37, 7591636), (52, 5401741), (67, 4192396), (74, 3795818), (134, 2096198), (148, 1897909), (268, 1048099), (481, 583972), (871, 322492), (962, 291986), (1742, 161246), (1924, 145993), (2179, 128908), (2479, 113308), (3484, 80623), (4358, 64454), (4958, 56654), (8716, 32227), (9916, 28327)]