426544940

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{211}}^1\times {\mathrm{1657}}^1$

素因数の和:1938

約数の個数: 48

約数和(自身を含む): 915295584

約数和(自身を除く): 488750644

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 211, 244, 305, 422, 610, 844, 1055, 1220, 1657, 2110, 3314, 4220, 6628, 8285, 12871, 16570, 25742, 33140, 51484, 64355, 101077, 128710, 202154, 257420, 349627, 404308, 505385, 699254, 1010770, 1398508, 1748135, 2021540, 3496270, 6992540, 21327247, 42654494, 85308988, 106636235, 213272470, 426544940]

約数ペア:

[(1, 426544940), (2, 213272470), (4, 106636235), (5, 85308988), (10, 42654494), (20, 21327247), (61, 6992540), (122, 3496270), (211, 2021540), (244, 1748135), (305, 1398508), (422, 1010770), (610, 699254), (844, 505385), (1055, 404308), (1220, 349627), (1657, 257420), (2110, 202154), (3314, 128710), (4220, 101077), (6628, 64355), (8285, 51484), (12871, 33140), (16570, 25742)]