218528060

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{6691}}^1$

素因数の和:6794

約数の個数: 48

約数和(自身を含む): 485678592

約数和(自身を除く): 267150532

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 71, 92, 115, 142, 230, 284, 355, 460, 710, 1420, 1633, 3266, 6532, 6691, 8165, 13382, 16330, 26764, 32660, 33455, 66910, 133820, 153893, 307786, 475061, 615572, 769465, 950122, 1538930, 1900244, 2375305, 3077860, 4750610, 9501220, 10926403, 21852806, 43705612, 54632015, 109264030, 218528060]

約数ペア:

[(1, 218528060), (2, 109264030), (4, 54632015), (5, 43705612), (10, 21852806), (20, 10926403), (23, 9501220), (46, 4750610), (71, 3077860), (92, 2375305), (115, 1900244), (142, 1538930), (230, 950122), (284, 769465), (355, 615572), (460, 475061), (710, 307786), (1420, 153893), (1633, 133820), (3266, 66910), (6532, 33455), (6691, 32660), (8165, 26764), (13382, 16330)]